7250620

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{79}}^1\times {\mathrm{353}}^1$

素因数の和:454

約数の個数: 48

約数和(自身を含む): 16652160

約数和(自身を除く): 9401540

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 79, 130, 158, 260, 316, 353, 395, 706, 790, 1027, 1412, 1580, 1765, 2054, 3530, 4108, 4589, 5135, 7060, 9178, 10270, 18356, 20540, 22945, 27887, 45890, 55774, 91780, 111548, 139435, 278870, 362531, 557740, 725062, 1450124, 1812655, 3625310, 7250620]

約数ペア:

[(1, 7250620), (2, 3625310), (4, 1812655), (5, 1450124), (10, 725062), (13, 557740), (20, 362531), (26, 278870), (52, 139435), (65, 111548), (79, 91780), (130, 55774), (158, 45890), (260, 27887), (316, 22945), (353, 20540), (395, 18356), (706, 10270), (790, 9178), (1027, 7060), (1412, 5135), (1580, 4589), (1765, 4108), (2054, 3530)]