519881620

素因数分解:

$2^2\times 5^1\times {\mathrm{79}}^1\times {\mathrm{293}}^1\times {\mathrm{1123}}^1$

素因数の和:1504

約数の個数: 48

約数和(自身を含む): 1110332160

約数和(自身を除く): 590450540

約数列:

[1, 2, 4, 5, 10, 20, 79, 158, 293, 316, 395, 586, 790, 1123, 1172, 1465, 1580, 2246, 2930, 4492, 5615, 5860, 11230, 22460, 23147, 46294, 88717, 92588, 115735, 177434, 231470, 329039, 354868, 443585, 462940, 658078, 887170, 1316156, 1645195, 1774340, 3290390, 6580780, 25994081, 51988162, 103976324, 129970405, 259940810, 519881620]

約数ペア:

[(1, 519881620), (2, 259940810), (4, 129970405), (5, 103976324), (10, 51988162), (20, 25994081), (79, 6580780), (158, 3290390), (293, 1774340), (316, 1645195), (395, 1316156), (586, 887170), (790, 658078), (1123, 462940), (1172, 443585), (1465, 354868), (1580, 329039), (2246, 231470), (2930, 177434), (4492, 115735), (5615, 92588), (5860, 88717), (11230, 46294), (22460, 23147)]