140740

素因数分解:

$2^2\times 5^1\times {\mathrm{31}}^1\times {\mathrm{227}}^1$

素因数の和:267

約数の個数: 24

約数和(自身を含む): 306432

約数和(自身を除く): 165692

約数列:

[1, 2, 4, 5, 10, 20, 31, 62, 124, 155, 227, 310, 454, 620, 908, 1135, 2270, 4540, 7037, 14074, 28148, 35185, 70370, 140740]

約数ペア:

[(1, 140740), (2, 70370), (4, 35185), (5, 28148), (10, 14074), (20, 7037), (31, 4540), (62, 2270), (124, 1135), (155, 908), (227, 620), (310, 454)]