215898980

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{57727}}^1$

素因数の和:57764

約数の個数: 48

約数和(自身を含む): 523708416

約数和(自身を除く): 307809436

約数列:

[1, 2, 4, 5, 10, 11, 17, 20, 22, 34, 44, 55, 68, 85, 110, 170, 187, 220, 340, 374, 748, 935, 1870, 3740, 57727, 115454, 230908, 288635, 577270, 634997, 981359, 1154540, 1269994, 1962718, 2539988, 3174985, 3925436, 4906795, 6349970, 9813590, 10794949, 12699940, 19627180, 21589898, 43179796, 53974745, 107949490, 215898980]

約数ペア:

[(1, 215898980), (2, 107949490), (4, 53974745), (5, 43179796), (10, 21589898), (11, 19627180), (17, 12699940), (20, 10794949), (22, 9813590), (34, 6349970), (44, 4906795), (55, 3925436), (68, 3174985), (85, 2539988), (110, 1962718), (170, 1269994), (187, 1154540), (220, 981359), (340, 634997), (374, 577270), (748, 288635), (935, 230908), (1870, 115454), (3740, 57727)]