488164625

素因数分解:

$5^3\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{97}}^1\times {\mathrm{163}}^1$

素因数の和:307

約数の個数: 64

約数和(自身を含む): 702024960

約数和(自身を除く): 213860335

約数列:

[1, 5, 13, 19, 25, 65, 95, 97, 125, 163, 247, 325, 475, 485, 815, 1235, 1261, 1625, 1843, 2119, 2375, 2425, 3097, 4075, 6175, 6305, 9215, 10595, 12125, 15485, 15811, 20375, 23959, 30875, 31525, 40261, 46075, 52975, 77425, 79055, 119795, 157625, 201305, 205543, 230375, 264875, 300409, 387125, 395275, 598975, 1006525, 1027715, 1502045, 1976375, 2994875, 3905317, 5032625, 5138575, 7510225, 19526585, 25692875, 37551125, 97632925, 488164625]

約数ペア:

[(1, 488164625), (5, 97632925), (13, 37551125), (19, 25692875), (25, 19526585), (65, 7510225), (95, 5138575), (97, 5032625), (125, 3905317), (163, 2994875), (247, 1976375), (325, 1502045), (475, 1027715), (485, 1006525), (815, 598975), (1235, 395275), (1261, 387125), (1625, 300409), (1843, 264875), (2119, 230375), (2375, 205543), (2425, 201305), (3097, 157625), (4075, 119795), (6175, 79055), (6305, 77425), (9215, 52975), (10595, 46075), (12125, 40261), (15485, 31525), (15811, 30875), (20375, 23959)]