61915460

素因数分解:

$2^2\times 5^1\times {\mathrm{79}}^1\times {\mathrm{149}}^1\times {\mathrm{263}}^1$

素因数の和:500

約数の個数: 48

約数和(自身を含む): 133056000

約数和(自身を除く): 71140540

約数列:

[1, 2, 4, 5, 10, 20, 79, 149, 158, 263, 298, 316, 395, 526, 596, 745, 790, 1052, 1315, 1490, 1580, 2630, 2980, 5260, 11771, 20777, 23542, 39187, 41554, 47084, 58855, 78374, 83108, 103885, 117710, 156748, 195935, 207770, 235420, 391870, 415540, 783740, 3095773, 6191546, 12383092, 15478865, 30957730, 61915460]

約数ペア:

[(1, 61915460), (2, 30957730), (4, 15478865), (5, 12383092), (10, 6191546), (20, 3095773), (79, 783740), (149, 415540), (158, 391870), (263, 235420), (298, 207770), (316, 195935), (395, 156748), (526, 117710), (596, 103885), (745, 83108), (790, 78374), (1052, 58855), (1315, 47084), (1490, 41554), (1580, 39187), (2630, 23542), (2980, 20777), (5260, 11771)]