981460

素因数分解:

$2^2\times 5^1\times {\mathrm{31}}^1\times {\mathrm{1583}}^1$

素因数の和:1623

約数の個数: 24

約数和(自身を含む): 2128896

約数和(自身を除く): 1147436

約数列:

[1, 2, 4, 5, 10, 20, 31, 62, 124, 155, 310, 620, 1583, 3166, 6332, 7915, 15830, 31660, 49073, 98146, 196292, 245365, 490730, 981460]

約数ペア:

[(1, 981460), (2, 490730), (4, 245365), (5, 196292), (10, 98146), (20, 49073), (31, 31660), (62, 15830), (124, 7915), (155, 6332), (310, 3166), (620, 1583)]