20820065000

素因数分解:

$2^3\times 5^4\times 7^1\times {\mathrm{31}}^2\times {\mathrm{619}}^1$

素因数の和:714

約数の個数: 240

約数和(自身を含む): 57699655200

約数和(自身を除く): 36879590200

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 25, 28, 31, 35, 40, 50, 56, 62, 70, 100, 124, 125, 140, 155, 175, 200, 217, 248, 250, 280, 310, 350, 434, 500, 619, 620, 625, 700, 775, 868, 875, 961, 1000, 1085, 1238, 1240, 1250, 1400, 1550, 1736, 1750, 1922, 2170, 2476, 2500, 3095, 3100, 3500, 3844, 3875, 4333, 4340, 4375, 4805, 4952, 5000, 5425, 6190, 6200, 6727, 7000, 7688, 7750, 8666, 8680, 8750, 9610, 10850, 12380, 13454, 15475, 15500, 17332, 17500, 19189, 19220, 19375, 21665, 21700, 24025, 24760, 26908, 27125, 30950, 31000, 33635, 34664, 35000, 38378, 38440, 38750, 43330, 43400, 48050, 53816, 54250, 61900, 67270, 76756, 77375, 77500, 86660, 95945, 96100, 108325, 108500, 120125, 123800, 134323, 134540, 135625, 153512, 154750, 155000, 168175, 173320, 191890, 192200, 216650, 217000, 240250, 268646, 269080, 271250, 309500, 336350, 383780, 386875, 433300, 479725, 480500, 537292, 541625, 542500, 594859, 600625, 619000, 671615, 672700, 767560, 773750, 840875, 866600, 959450, 961000, 1074584, 1083250, 1085000, 1189718, 1201250, 1343230, 1345400, 1547500, 1681750, 1918900, 2166500, 2379436, 2398625, 2402500, 2686460, 2708125, 2974295, 3095000, 3358075, 3363500, 3837800, 4164013, 4204375, 4333000, 4758872, 4797250, 4805000, 5372920, 5416250, 5948590, 6716150, 6727000, 8328026, 8408750, 9594500, 10832500, 11897180, 11993125, 13432300, 14871475, 16656052, 16790375, 16817500, 19189000, 20820065, 21665000, 23794360, 23986250, 26864600, 29742950, 33312104, 33580750, 33635000, 41640130, 47972500, 59485900, 67161500, 74357375, 83280260, 83951875, 95945000, 104100325, 118971800, 134323000, 148714750, 166560520, 167903750, 208200650, 297429500, 335807500, 371786875, 416401300, 520501625, 594859000, 671615000, 743573750, 832802600, 1041003250, 1487147500, 2082006500, 2602508125, 2974295000, 4164013000, 5205016250, 10410032500, 20820065000]

約数ペア:

[(1, 20820065000), (2, 10410032500), (4, 5205016250), (5, 4164013000), (7, 2974295000), (8, 2602508125), (10, 2082006500), (14, 1487147500), (20, 1041003250), (25, 832802600), (28, 743573750), (31, 671615000), (35, 594859000), (40, 520501625), (50, 416401300), (56, 371786875), (62, 335807500), (70, 297429500), (100, 208200650), (124, 167903750), (125, 166560520), (140, 148714750), (155, 134323000), (175, 118971800), (200, 104100325), (217, 95945000), (248, 83951875), (250, 83280260), (280, 74357375), (310, 67161500), (350, 59485900), (434, 47972500), (500, 41640130), (619, 33635000), (620, 33580750), (625, 33312104), (700, 29742950), (775, 26864600), (868, 23986250), (875, 23794360), (961, 21665000), (1000, 20820065), (1085, 19189000), (1238, 16817500), (1240, 16790375), (1250, 16656052), (1400, 14871475), (1550, 13432300), (1736, 11993125), (1750, 11897180), (1922, 10832500), (2170, 9594500), (2476, 8408750), (2500, 8328026), (3095, 6727000), (3100, 6716150), (3500, 5948590), (3844, 5416250), (3875, 5372920), (4333, 4805000), (4340, 4797250), (4375, 4758872), (4805, 4333000), (4952, 4204375), (5000, 4164013), (5425, 3837800), (6190, 3363500), (6200, 3358075), (6727, 3095000), (7000, 2974295), (7688, 2708125), (7750, 2686460), (8666, 2402500), (8680, 2398625), (8750, 2379436), (9610, 2166500), (10850, 1918900), (12380, 1681750), (13454, 1547500), (15475, 1345400), (15500, 1343230), (17332, 1201250), (17500, 1189718), (19189, 1085000), (19220, 1083250), (19375, 1074584), (21665, 961000), (21700, 959450), (24025, 866600), (24760, 840875), (26908, 773750), (27125, 767560), (30950, 672700), (31000, 671615), (33635, 619000), (34664, 600625), (35000, 594859), (38378, 542500), (38440, 541625), (38750, 537292), (43330, 480500), (43400, 479725), (48050, 433300), (53816, 386875), (54250, 383780), (61900, 336350), (67270, 309500), (76756, 271250), (77375, 269080), (77500, 268646), (86660, 240250), (95945, 217000), (96100, 216650), (108325, 192200), (108500, 191890), (120125, 173320), (123800, 168175), (134323, 155000), (134540, 154750), (135625, 153512)]