30819620

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{113}}^1\times {\mathrm{1049}}^1$

素因数の和:1184

約数の個数: 48

約数和(自身を含む): 70383600

約数和(自身を除く): 39563980

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 113, 130, 226, 260, 452, 565, 1049, 1130, 1469, 2098, 2260, 2938, 4196, 5245, 5876, 7345, 10490, 13637, 14690, 20980, 27274, 29380, 54548, 68185, 118537, 136370, 237074, 272740, 474148, 592685, 1185370, 1540981, 2370740, 3081962, 6163924, 7704905, 15409810, 30819620]

約数ペア:

[(1, 30819620), (2, 15409810), (4, 7704905), (5, 6163924), (10, 3081962), (13, 2370740), (20, 1540981), (26, 1185370), (52, 592685), (65, 474148), (113, 272740), (130, 237074), (226, 136370), (260, 118537), (452, 68185), (565, 54548), (1049, 29380), (1130, 27274), (1469, 20980), (2098, 14690), (2260, 13637), (2938, 10490), (4196, 7345), (5245, 5876)]