349748620

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{47}}^1\times {\mathrm{28621}}^1$

素因数の和:28690

約数の個数: 48

約数和(自身を含む): 807827328

約数和(自身を除く): 458078708

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 47, 52, 65, 94, 130, 188, 235, 260, 470, 611, 940, 1222, 2444, 3055, 6110, 12220, 28621, 57242, 114484, 143105, 286210, 372073, 572420, 744146, 1345187, 1488292, 1860365, 2690374, 3720730, 5380748, 6725935, 7441460, 13451870, 17487431, 26903740, 34974862, 69949724, 87437155, 174874310, 349748620]

約数ペア:

[(1, 349748620), (2, 174874310), (4, 87437155), (5, 69949724), (10, 34974862), (13, 26903740), (20, 17487431), (26, 13451870), (47, 7441460), (52, 6725935), (65, 5380748), (94, 3720730), (130, 2690374), (188, 1860365), (235, 1488292), (260, 1345187), (470, 744146), (611, 572420), (940, 372073), (1222, 286210), (2444, 143105), (3055, 114484), (6110, 57242), (12220, 28621)]