495156920

素因数分解:

$2^3\times 5^1\times {\mathrm{139}}^1\times {\mathrm{89057}}^1$

素因数の和:89207

約数の個数: 32

約数和(自身を含む): 1122130800

約数和(自身を除く): 626973880

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 139, 278, 556, 695, 1112, 1390, 2780, 5560, 89057, 178114, 356228, 445285, 712456, 890570, 1781140, 3562280, 12378923, 24757846, 49515692, 61894615, 99031384, 123789230, 247578460, 495156920]

約数ペア:

[(1, 495156920), (2, 247578460), (4, 123789230), (5, 99031384), (8, 61894615), (10, 49515692), (20, 24757846), (40, 12378923), (139, 3562280), (278, 1781140), (556, 890570), (695, 712456), (1112, 445285), (1390, 356228), (2780, 178114), (5560, 89057)]