28368340

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{13}}^2\times {\mathrm{109}}^1$

素因数の和:162

約数の個数: 144

約数和(自身を含む): 81164160

約数和(自身を除く): 52795820

約数列:

[1, 2, 4, 5, 7, 10, 11, 13, 14, 20, 22, 26, 28, 35, 44, 52, 55, 65, 70, 77, 91, 109, 110, 130, 140, 143, 154, 169, 182, 218, 220, 260, 286, 308, 338, 364, 385, 436, 455, 545, 572, 676, 715, 763, 770, 845, 910, 1001, 1090, 1183, 1199, 1417, 1430, 1526, 1540, 1690, 1820, 1859, 2002, 2180, 2366, 2398, 2834, 2860, 3052, 3380, 3718, 3815, 4004, 4732, 4796, 5005, 5668, 5915, 5995, 7085, 7436, 7630, 8393, 9295, 9919, 10010, 11830, 11990, 13013, 14170, 15260, 15587, 16786, 18421, 18590, 19838, 20020, 23660, 23980, 26026, 28340, 31174, 33572, 36842, 37180, 39676, 41965, 49595, 52052, 62348, 65065, 73684, 77935, 83930, 92105, 99190, 109109, 128947, 130130, 155870, 167860, 184210, 198380, 202631, 218218, 257894, 260260, 311740, 368420, 405262, 436436, 515788, 545545, 644735, 810524, 1013155, 1091090, 1289470, 1418417, 2026310, 2182180, 2578940, 2836834, 4052620, 5673668, 7092085, 14184170, 28368340]

約数ペア:

[(1, 28368340), (2, 14184170), (4, 7092085), (5, 5673668), (7, 4052620), (10, 2836834), (11, 2578940), (13, 2182180), (14, 2026310), (20, 1418417), (22, 1289470), (26, 1091090), (28, 1013155), (35, 810524), (44, 644735), (52, 545545), (55, 515788), (65, 436436), (70, 405262), (77, 368420), (91, 311740), (109, 260260), (110, 257894), (130, 218218), (140, 202631), (143, 198380), (154, 184210), (169, 167860), (182, 155870), (218, 130130), (220, 128947), (260, 109109), (286, 99190), (308, 92105), (338, 83930), (364, 77935), (385, 73684), (436, 65065), (455, 62348), (545, 52052), (572, 49595), (676, 41965), (715, 39676), (763, 37180), (770, 36842), (845, 33572), (910, 31174), (1001, 28340), (1090, 26026), (1183, 23980), (1199, 23660), (1417, 20020), (1430, 19838), (1526, 18590), (1540, 18421), (1690, 16786), (1820, 15587), (1859, 15260), (2002, 14170), (2180, 13013), (2366, 11990), (2398, 11830), (2834, 10010), (2860, 9919), (3052, 9295), (3380, 8393), (3718, 7630), (3815, 7436), (4004, 7085), (4732, 5995), (4796, 5915), (5005, 5668)]