408850

素因数分解:

$2^1\times 5^2\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{37}}^1$

素因数の和:79

約数の個数: 48

約数和(自身を含む): 890568

約数和(自身を除く): 481718

約数列:

[1, 2, 5, 10, 13, 17, 25, 26, 34, 37, 50, 65, 74, 85, 130, 170, 185, 221, 325, 370, 425, 442, 481, 629, 650, 850, 925, 962, 1105, 1258, 1850, 2210, 2405, 3145, 4810, 5525, 6290, 8177, 11050, 12025, 15725, 16354, 24050, 31450, 40885, 81770, 204425, 408850]

約数ペア:

[(1, 408850), (2, 204425), (5, 81770), (10, 40885), (13, 31450), (17, 24050), (25, 16354), (26, 15725), (34, 12025), (37, 11050), (50, 8177), (65, 6290), (74, 5525), (85, 4810), (130, 3145), (170, 2405), (185, 2210), (221, 1850), (325, 1258), (370, 1105), (425, 962), (442, 925), (481, 850), (629, 650)]