2015400820

素因数分解:

$2^2\times 5^1\times {\mathrm{29}}^1\times {\mathrm{149}}^1\times {\mathrm{23321}}^1$

素因数の和:23508

約数の個数: 48

約数和(自身を含む): 4407858000

約数和(自身を除く): 2392457180

約数列:

[1, 2, 4, 5, 10, 20, 29, 58, 116, 145, 149, 290, 298, 580, 596, 745, 1490, 2980, 4321, 8642, 17284, 21605, 23321, 43210, 46642, 86420, 93284, 116605, 233210, 466420, 676309, 1352618, 2705236, 3381545, 3474829, 6763090, 6949658, 13526180, 13899316, 17374145, 34748290, 69496580, 100770041, 201540082, 403080164, 503850205, 1007700410, 2015400820]

約数ペア:

[(1, 2015400820), (2, 1007700410), (4, 503850205), (5, 403080164), (10, 201540082), (20, 100770041), (29, 69496580), (58, 34748290), (116, 17374145), (145, 13899316), (149, 13526180), (290, 6949658), (298, 6763090), (580, 3474829), (596, 3381545), (745, 2705236), (1490, 1352618), (2980, 676309), (4321, 466420), (8642, 233210), (17284, 116605), (21605, 93284), (23321, 86420), (43210, 46642)]