201207980

素因数分解:

$2^2\times 5^1\times {\mathrm{31}}^1\times {\mathrm{324529}}^1$

素因数の和:324569

約数の個数: 24

約数和(自身を含む): 436168320

約数和(自身を除く): 234960340

約数列:

[1, 2, 4, 5, 10, 20, 31, 62, 124, 155, 310, 620, 324529, 649058, 1298116, 1622645, 3245290, 6490580, 10060399, 20120798, 40241596, 50301995, 100603990, 201207980]

約数ペア:

[(1, 201207980), (2, 100603990), (4, 50301995), (5, 40241596), (10, 20120798), (20, 10060399), (31, 6490580), (62, 3245290), (124, 1622645), (155, 1298116), (310, 649058), (620, 324529)]