505298380

素因数分解:

$2^2\times 5^1\times {\mathrm{61}}^1\times {\mathrm{414179}}^1$

素因数の和:414249

約数の個数: 24

約数和(自身を含む): 1078524720

約数和(自身を除く): 573226340

約数列:

[1, 2, 4, 5, 10, 20, 61, 122, 244, 305, 610, 1220, 414179, 828358, 1656716, 2070895, 4141790, 8283580, 25264919, 50529838, 101059676, 126324595, 252649190, 505298380]

約数ペア:

[(1, 505298380), (2, 252649190), (4, 126324595), (5, 101059676), (10, 50529838), (20, 25264919), (61, 8283580), (122, 4141790), (244, 2070895), (305, 1656716), (610, 828358), (1220, 414179)]