78948580

素因数分解:

$2^2\times 5^1\times {\mathrm{113}}^1\times {\mathrm{181}}^1\times {\mathrm{193}}^1$

素因数の和:496

約数の個数: 48

約数和(自身を含む): 169054704

約数和(自身を除く): 90106124

約数列:

[1, 2, 4, 5, 10, 20, 113, 181, 193, 226, 362, 386, 452, 565, 724, 772, 905, 965, 1130, 1810, 1930, 2260, 3620, 3860, 20453, 21809, 34933, 40906, 43618, 69866, 81812, 87236, 102265, 109045, 139732, 174665, 204530, 218090, 349330, 409060, 436180, 698660, 3947429, 7894858, 15789716, 19737145, 39474290, 78948580]

約数ペア:

[(1, 78948580), (2, 39474290), (4, 19737145), (5, 15789716), (10, 7894858), (20, 3947429), (113, 698660), (181, 436180), (193, 409060), (226, 349330), (362, 218090), (386, 204530), (452, 174665), (565, 139732), (724, 109045), (772, 102265), (905, 87236), (965, 81812), (1130, 69866), (1810, 43618), (1930, 40906), (2260, 34933), (3620, 21809), (3860, 20453)]