139872620

素因数分解:

$2^2\times 5^1\times {\mathrm{31}}^1\times {\mathrm{225601}}^1$

素因数の和:225641

約数の個数: 24

約数和(自身を含む): 303209088

約数和(自身を除く): 163336468

約数列:

[1, 2, 4, 5, 10, 20, 31, 62, 124, 155, 310, 620, 225601, 451202, 902404, 1128005, 2256010, 4512020, 6993631, 13987262, 27974524, 34968155, 69936310, 139872620]

約数ペア:

[(1, 139872620), (2, 69936310), (4, 34968155), (5, 27974524), (10, 13987262), (20, 6993631), (31, 4512020), (62, 2256010), (124, 1128005), (155, 902404), (310, 451202), (620, 225601)]