122636740

素因数分解:

$2^2\times 5^1\times {\mathrm{41}}^1\times {\mathrm{347}}^1\times {\mathrm{431}}^1$

素因数の和:828

約数の個数: 48

約数和(自身を含む): 265192704

約数和(自身を除く): 142555964

約数列:

[1, 2, 4, 5, 10, 20, 41, 82, 164, 205, 347, 410, 431, 694, 820, 862, 1388, 1724, 1735, 2155, 3470, 4310, 6940, 8620, 14227, 17671, 28454, 35342, 56908, 70684, 71135, 88355, 142270, 149557, 176710, 284540, 299114, 353420, 598228, 747785, 1495570, 2991140, 6131837, 12263674, 24527348, 30659185, 61318370, 122636740]

約数ペア:

[(1, 122636740), (2, 61318370), (4, 30659185), (5, 24527348), (10, 12263674), (20, 6131837), (41, 2991140), (82, 1495570), (164, 747785), (205, 598228), (347, 353420), (410, 299114), (431, 284540), (694, 176710), (820, 149557), (862, 142270), (1388, 88355), (1724, 71135), (1735, 70684), (2155, 56908), (3470, 35342), (4310, 28454), (6940, 17671), (8620, 14227)]