8177740

素因数分解:

$2^2\times 5^1\times {\mathrm{37}}^1\times {\mathrm{43}}^1\times {\mathrm{257}}^1$

素因数の和:346

約数の個数: 48

約数和(自身を含む): 18117792

約数和(自身を除く): 9940052

約数列:

[1, 2, 4, 5, 10, 20, 37, 43, 74, 86, 148, 172, 185, 215, 257, 370, 430, 514, 740, 860, 1028, 1285, 1591, 2570, 3182, 5140, 6364, 7955, 9509, 11051, 15910, 19018, 22102, 31820, 38036, 44204, 47545, 55255, 95090, 110510, 190180, 221020, 408887, 817774, 1635548, 2044435, 4088870, 8177740]

約数ペア:

[(1, 8177740), (2, 4088870), (4, 2044435), (5, 1635548), (10, 817774), (20, 408887), (37, 221020), (43, 190180), (74, 110510), (86, 95090), (148, 55255), (172, 47545), (185, 44204), (215, 38036), (257, 31820), (370, 22102), (430, 19018), (514, 15910), (740, 11051), (860, 9509), (1028, 7955), (1285, 6364), (1591, 5140), (2570, 3182)]