20216478100

素因数分解:

$2^2\times 5^2\times 7^1\times {\mathrm{13}}^1\times {\mathrm{37}}^1\times {\mathrm{97}}^1\times {\mathrm{619}}^1$

素因数の和:787

約数の個数: 288

約数和(自身を含む): 56115019520

約数和(自身を除く): 35898541420

約数列:

[1, 2, 4, 5, 7, 10, 13, 14, 20, 25, 26, 28, 35, 37, 50, 52, 65, 70, 74, 91, 97, 100, 130, 140, 148, 175, 182, 185, 194, 259, 260, 325, 350, 364, 370, 388, 455, 481, 485, 518, 619, 650, 679, 700, 740, 910, 925, 962, 970, 1036, 1238, 1261, 1295, 1300, 1358, 1820, 1850, 1924, 1940, 2275, 2405, 2425, 2476, 2522, 2590, 2716, 3095, 3367, 3395, 3589, 3700, 4333, 4550, 4810, 4850, 5044, 5180, 6190, 6305, 6475, 6734, 6790, 7178, 8047, 8666, 8827, 9100, 9620, 9700, 12025, 12380, 12610, 12950, 13468, 13580, 14356, 15475, 16094, 16835, 16975, 17332, 17654, 17945, 21665, 22903, 24050, 25123, 25220, 25900, 30950, 31525, 32188, 33670, 33950, 35308, 35890, 40235, 43330, 44135, 45806, 46657, 48100, 50246, 56329, 60043, 61900, 63050, 67340, 67900, 71780, 80470, 84175, 86660, 88270, 89725, 91612, 93314, 100492, 108325, 112658, 114515, 120086, 125615, 126100, 160321, 160940, 168350, 176540, 179450, 186628, 201175, 216650, 220675, 225316, 229030, 233285, 240172, 251230, 281645, 297739, 300215, 320642, 326599, 336700, 358900, 402350, 420301, 433300, 441350, 458060, 466570, 502460, 563290, 572575, 595478, 600430, 628075, 641284, 653198, 780559, 801605, 804700, 840602, 882700, 933140, 1126580, 1145150, 1166425, 1190956, 1200860, 1256150, 1306396, 1408225, 1488695, 1501075, 1561118, 1603210, 1632995, 1681204, 2084173, 2101505, 2221591, 2290300, 2332850, 2512300, 2816450, 2977390, 3002150, 3122236, 3206420, 3265990, 3902795, 4008025, 4168346, 4203010, 4443182, 4665700, 5463913, 5632900, 5954780, 6004300, 6531980, 7443475, 7805590, 8016050, 8164975, 8336692, 8406020, 8886364, 10420865, 10507525, 10927826, 11107955, 14886950, 15551137, 15611180, 16032100, 16329950, 19513975, 20841730, 21015050, 21855652, 22215910, 27319565, 28880683, 29773900, 31102274, 32659900, 39027950, 41683460, 42030100, 44431820, 52104325, 54639130, 55539775, 57761366, 62204548, 77755685, 78055900, 104208650, 109278260, 111079550, 115522732, 136597825, 144403415, 155511370, 202164781, 208417300, 222159100, 273195650, 288806830, 311022740, 388778425, 404329562, 546391300, 577613660, 722017075, 777556850, 808659124, 1010823905, 1444034150, 1555113700, 2021647810, 2888068300, 4043295620, 5054119525, 10108239050, 20216478100]

約数ペア:

[(1, 20216478100), (2, 10108239050), (4, 5054119525), (5, 4043295620), (7, 2888068300), (10, 2021647810), (13, 1555113700), (14, 1444034150), (20, 1010823905), (25, 808659124), (26, 777556850), (28, 722017075), (35, 577613660), (37, 546391300), (50, 404329562), (52, 388778425), (65, 311022740), (70, 288806830), (74, 273195650), (91, 222159100), (97, 208417300), (100, 202164781), (130, 155511370), (140, 144403415), (148, 136597825), (175, 115522732), (182, 111079550), (185, 109278260), (194, 104208650), (259, 78055900), (260, 77755685), (325, 62204548), (350, 57761366), (364, 55539775), (370, 54639130), (388, 52104325), (455, 44431820), (481, 42030100), (485, 41683460), (518, 39027950), (619, 32659900), (650, 31102274), (679, 29773900), (700, 28880683), (740, 27319565), (910, 22215910), (925, 21855652), (962, 21015050), (970, 20841730), (1036, 19513975), (1238, 16329950), (1261, 16032100), (1295, 15611180), (1300, 15551137), (1358, 14886950), (1820, 11107955), (1850, 10927826), (1924, 10507525), (1940, 10420865), (2275, 8886364), (2405, 8406020), (2425, 8336692), (2476, 8164975), (2522, 8016050), (2590, 7805590), (2716, 7443475), (3095, 6531980), (3367, 6004300), (3395, 5954780), (3589, 5632900), (3700, 5463913), (4333, 4665700), (4550, 4443182), (4810, 4203010), (4850, 4168346), (5044, 4008025), (5180, 3902795), (6190, 3265990), (6305, 3206420), (6475, 3122236), (6734, 3002150), (6790, 2977390), (7178, 2816450), (8047, 2512300), (8666, 2332850), (8827, 2290300), (9100, 2221591), (9620, 2101505), (9700, 2084173), (12025, 1681204), (12380, 1632995), (12610, 1603210), (12950, 1561118), (13468, 1501075), (13580, 1488695), (14356, 1408225), (15475, 1306396), (16094, 1256150), (16835, 1200860), (16975, 1190956), (17332, 1166425), (17654, 1145150), (17945, 1126580), (21665, 933140), (22903, 882700), (24050, 840602), (25123, 804700), (25220, 801605), (25900, 780559), (30950, 653198), (31525, 641284), (32188, 628075), (33670, 600430), (33950, 595478), (35308, 572575), (35890, 563290), (40235, 502460), (43330, 466570), (44135, 458060), (45806, 441350), (46657, 433300), (48100, 420301), (50246, 402350), (56329, 358900), (60043, 336700), (61900, 326599), (63050, 320642), (67340, 300215), (67900, 297739), (71780, 281645), (80470, 251230), (84175, 240172), (86660, 233285), (88270, 229030), (89725, 225316), (91612, 220675), (93314, 216650), (100492, 201175), (108325, 186628), (112658, 179450), (114515, 176540), (120086, 168350), (125615, 160940), (126100, 160321)]