71811250

素因数分解:

$2^1\times 5^4\times 7^1\times {\mathrm{29}}^1\times {\mathrm{283}}^1$

素因数の和:341

約数の個数: 80

約数和(自身を含む): 159698880

約数和(自身を除く): 87887630

約数列:

[1, 2, 5, 7, 10, 14, 25, 29, 35, 50, 58, 70, 125, 145, 175, 203, 250, 283, 290, 350, 406, 566, 625, 725, 875, 1015, 1250, 1415, 1450, 1750, 1981, 2030, 2830, 3625, 3962, 4375, 5075, 7075, 7250, 8207, 8750, 9905, 10150, 14150, 16414, 18125, 19810, 25375, 35375, 36250, 41035, 49525, 50750, 57449, 70750, 82070, 99050, 114898, 126875, 176875, 205175, 247625, 253750, 287245, 353750, 410350, 495250, 574490, 1025875, 1238125, 1436225, 2051750, 2476250, 2872450, 5129375, 7181125, 10258750, 14362250, 35905625, 71811250]

約数ペア:

[(1, 71811250), (2, 35905625), (5, 14362250), (7, 10258750), (10, 7181125), (14, 5129375), (25, 2872450), (29, 2476250), (35, 2051750), (50, 1436225), (58, 1238125), (70, 1025875), (125, 574490), (145, 495250), (175, 410350), (203, 353750), (250, 287245), (283, 253750), (290, 247625), (350, 205175), (406, 176875), (566, 126875), (625, 114898), (725, 99050), (875, 82070), (1015, 70750), (1250, 57449), (1415, 50750), (1450, 49525), (1750, 41035), (1981, 36250), (2030, 35375), (2830, 25375), (3625, 19810), (3962, 18125), (4375, 16414), (5075, 14150), (7075, 10150), (7250, 9905), (8207, 8750)]