120831490

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{29983}}^1$

素因数の和:30034

約数の個数: 32

約数和(自身を含む): 241790976

約数和(自身を除く): 120959486

約数列:

[1, 2, 5, 10, 13, 26, 31, 62, 65, 130, 155, 310, 403, 806, 2015, 4030, 29983, 59966, 149915, 299830, 389779, 779558, 929473, 1858946, 1948895, 3897790, 4647365, 9294730, 12083149, 24166298, 60415745, 120831490]

約数ペア:

[(1, 120831490), (2, 60415745), (5, 24166298), (10, 12083149), (13, 9294730), (26, 4647365), (31, 3897790), (62, 1948895), (65, 1858946), (130, 929473), (155, 779558), (310, 389779), (403, 299830), (806, 149915), (2015, 59966), (4030, 29983)]