261708820

素因数分解:

$2^2\times 5^1\times {\mathrm{31}}^1\times {\mathrm{422111}}^1$

素因数の和:422151

約数の個数: 24

約数和(自身を含む): 567318528

約数和(自身を除く): 305609708

約数列:

[1, 2, 4, 5, 10, 20, 31, 62, 124, 155, 310, 620, 422111, 844222, 1688444, 2110555, 4221110, 8442220, 13085441, 26170882, 52341764, 65427205, 130854410, 261708820]

約数ペア:

[(1, 261708820), (2, 130854410), (4, 65427205), (5, 52341764), (10, 26170882), (20, 13085441), (31, 8442220), (62, 4221110), (124, 2110555), (155, 1688444), (310, 844222), (620, 422111)]