201491540

素因数分解:

$2^2\times 5^1\times {\mathrm{61}}^1\times {\mathrm{317}}^1\times {\mathrm{521}}^1$

素因数の和:908

約数の個数: 48

約数和(自身を含む): 432253584

約数和(自身を除く): 230762044

約数列:

[1, 2, 4, 5, 10, 20, 61, 122, 244, 305, 317, 521, 610, 634, 1042, 1220, 1268, 1585, 2084, 2605, 3170, 5210, 6340, 10420, 19337, 31781, 38674, 63562, 77348, 96685, 127124, 158905, 165157, 193370, 317810, 330314, 386740, 635620, 660628, 825785, 1651570, 3303140, 10074577, 20149154, 40298308, 50372885, 100745770, 201491540]

約数ペア:

[(1, 201491540), (2, 100745770), (4, 50372885), (5, 40298308), (10, 20149154), (20, 10074577), (61, 3303140), (122, 1651570), (244, 825785), (305, 660628), (317, 635620), (521, 386740), (610, 330314), (634, 317810), (1042, 193370), (1220, 165157), (1268, 158905), (1585, 127124), (2084, 96685), (2605, 77348), (3170, 63562), (5210, 38674), (6340, 31781), (10420, 19337)]