220171580

素因数分解:

$2^2\times 5^1\times {\mathrm{239}}^1\times {\mathrm{46061}}^1$

素因数の和:46309

約数の個数: 24

約数和(自身を含む): 464304960

約数和(自身を除く): 244133380

約数列:

[1, 2, 4, 5, 10, 20, 239, 478, 956, 1195, 2390, 4780, 46061, 92122, 184244, 230305, 460610, 921220, 11008579, 22017158, 44034316, 55042895, 110085790, 220171580]

約数ペア:

[(1, 220171580), (2, 110085790), (4, 55042895), (5, 44034316), (10, 22017158), (20, 11008579), (239, 921220), (478, 460610), (956, 230305), (1195, 184244), (2390, 92122), (4780, 46061)]