520043225

素因数分解:

$5^2\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{29}}^1\times {\mathrm{2399}}^1$

素因数の和:2474

約数の個数: 48

約数和(自身を含む): 749952000

約数和(自身を除く): 229908775

約数列:

[1, 5, 13, 23, 25, 29, 65, 115, 145, 299, 325, 377, 575, 667, 725, 1495, 1885, 2399, 3335, 7475, 8671, 9425, 11995, 16675, 31187, 43355, 55177, 59975, 69571, 155935, 216775, 275885, 347855, 717301, 779675, 904423, 1379425, 1600133, 1739275, 3586505, 4522115, 8000665, 17932525, 20801729, 22610575, 40003325, 104008645, 520043225]

約数ペア:

[(1, 520043225), (5, 104008645), (13, 40003325), (23, 22610575), (25, 20801729), (29, 17932525), (65, 8000665), (115, 4522115), (145, 3586505), (299, 1739275), (325, 1600133), (377, 1379425), (575, 904423), (667, 779675), (725, 717301), (1495, 347855), (1885, 275885), (2399, 216775), (3335, 155935), (7475, 69571), (8671, 59975), (9425, 55177), (11995, 43355), (16675, 31187)]