80337460

素因数分解:

$2^2\times 5^1\times 7^5\times {\mathrm{239}}^1$

素因数の和:283

約数の個数: 72

約数和(自身を含む): 197648640

約数和(自身を除く): 117311180

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 49, 70, 98, 140, 196, 239, 245, 343, 478, 490, 686, 956, 980, 1195, 1372, 1673, 1715, 2390, 2401, 3346, 3430, 4780, 4802, 6692, 6860, 8365, 9604, 11711, 12005, 16730, 16807, 23422, 24010, 33460, 33614, 46844, 48020, 58555, 67228, 81977, 84035, 117110, 163954, 168070, 234220, 327908, 336140, 409885, 573839, 819770, 1147678, 1639540, 2295356, 2869195, 4016873, 5738390, 8033746, 11476780, 16067492, 20084365, 40168730, 80337460]

約数ペア:

[(1, 80337460), (2, 40168730), (4, 20084365), (5, 16067492), (7, 11476780), (10, 8033746), (14, 5738390), (20, 4016873), (28, 2869195), (35, 2295356), (49, 1639540), (70, 1147678), (98, 819770), (140, 573839), (196, 409885), (239, 336140), (245, 327908), (343, 234220), (478, 168070), (490, 163954), (686, 117110), (956, 84035), (980, 81977), (1195, 67228), (1372, 58555), (1673, 48020), (1715, 46844), (2390, 33614), (2401, 33460), (3346, 24010), (3430, 23422), (4780, 16807), (4802, 16730), (6692, 12005), (6860, 11711), (8365, 9604)]