985280380

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{149}}^2\times {\mathrm{317}}^1$

素因数の和:631

約数の個数: 72

約数和(自身を含む): 2388159648

約数和(自身を除く): 1402879268

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 149, 298, 317, 596, 634, 745, 1043, 1268, 1490, 1585, 2086, 2219, 2980, 3170, 4172, 4438, 5215, 6340, 8876, 10430, 11095, 20860, 22190, 22201, 44380, 44402, 47233, 88804, 94466, 111005, 155407, 188932, 222010, 236165, 310814, 330631, 444020, 472330, 621628, 661262, 777035, 944660, 1322524, 1554070, 1653155, 3108140, 3306310, 6612620, 7037717, 14075434, 28150868, 35188585, 49264019, 70377170, 98528038, 140754340, 197056076, 246320095, 492640190, 985280380]

約数ペア:

[(1, 985280380), (2, 492640190), (4, 246320095), (5, 197056076), (7, 140754340), (10, 98528038), (14, 70377170), (20, 49264019), (28, 35188585), (35, 28150868), (70, 14075434), (140, 7037717), (149, 6612620), (298, 3306310), (317, 3108140), (596, 1653155), (634, 1554070), (745, 1322524), (1043, 944660), (1268, 777035), (1490, 661262), (1585, 621628), (2086, 472330), (2219, 444020), (2980, 330631), (3170, 310814), (4172, 236165), (4438, 222010), (5215, 188932), (6340, 155407), (8876, 111005), (10430, 94466), (11095, 88804), (20860, 47233), (22190, 44402), (22201, 44380)]