402068420

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{823}}^1\times {\mathrm{1879}}^1$

素因数の和:2724

約数の個数: 48

約数和(自身を含む): 910882560

約数和(自身を除く): 508814140

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 130, 260, 823, 1646, 1879, 3292, 3758, 4115, 7516, 8230, 9395, 10699, 16460, 18790, 21398, 24427, 37580, 42796, 48854, 53495, 97708, 106990, 122135, 213980, 244270, 488540, 1546417, 3092834, 6185668, 7732085, 15464170, 20103421, 30928340, 40206842, 80413684, 100517105, 201034210, 402068420]

約数ペア:

[(1, 402068420), (2, 201034210), (4, 100517105), (5, 80413684), (10, 40206842), (13, 30928340), (20, 20103421), (26, 15464170), (52, 7732085), (65, 6185668), (130, 3092834), (260, 1546417), (823, 488540), (1646, 244270), (1879, 213980), (3292, 122135), (3758, 106990), (4115, 97708), (7516, 53495), (8230, 48854), (9395, 42796), (10699, 37580), (16460, 24427), (18790, 21398)]