508719250

素因数分解:

$2^1\times 5^3\times {\mathrm{13}}^1\times {\mathrm{157}}^1\times {\mathrm{997}}^1$

素因数の和:1184

約数の個数: 64

約数和(自身を含む): 1033145568

約数和(自身を除く): 524426318

約数列:

[1, 2, 5, 10, 13, 25, 26, 50, 65, 125, 130, 157, 250, 314, 325, 650, 785, 997, 1570, 1625, 1994, 2041, 3250, 3925, 4082, 4985, 7850, 9970, 10205, 12961, 19625, 20410, 24925, 25922, 39250, 49850, 51025, 64805, 102050, 124625, 129610, 156529, 249250, 255125, 313058, 324025, 510250, 648050, 782645, 1565290, 1620125, 2034877, 3240250, 3913225, 4069754, 7826450, 10174385, 19566125, 20348770, 39132250, 50871925, 101743850, 254359625, 508719250]

約数ペア:

[(1, 508719250), (2, 254359625), (5, 101743850), (10, 50871925), (13, 39132250), (25, 20348770), (26, 19566125), (50, 10174385), (65, 7826450), (125, 4069754), (130, 3913225), (157, 3240250), (250, 2034877), (314, 1620125), (325, 1565290), (650, 782645), (785, 648050), (997, 510250), (1570, 324025), (1625, 313058), (1994, 255125), (2041, 249250), (3250, 156529), (3925, 129610), (4082, 124625), (4985, 102050), (7850, 64805), (9970, 51025), (10205, 49850), (12961, 39250), (19625, 25922), (20410, 24925)]