201218540

素因数分解:

$2^2\times 5^1\times {\mathrm{149}}^1\times {\mathrm{67523}}^1$

素因数の和:67681

約数の個数: 24

約数和(自身を含む): 425401200

約数和(自身を除く): 224182660

約数列:

[1, 2, 4, 5, 10, 20, 149, 298, 596, 745, 1490, 2980, 67523, 135046, 270092, 337615, 675230, 1350460, 10060927, 20121854, 40243708, 50304635, 100609270, 201218540]

約数ペア:

[(1, 201218540), (2, 100609270), (4, 50304635), (5, 40243708), (10, 20121854), (20, 10060927), (149, 1350460), (298, 675230), (596, 337615), (745, 270092), (1490, 135046), (2980, 67523)]