82638980

素因数分解:

$2^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{29}}^1\times {\mathrm{7499}}^1$

素因数の和:7556

約数の個数: 48

約数和(自身を含む): 189000000

約数和(自身を除く): 106361020

約数列:

[1, 2, 4, 5, 10, 19, 20, 29, 38, 58, 76, 95, 116, 145, 190, 290, 380, 551, 580, 1102, 2204, 2755, 5510, 7499, 11020, 14998, 29996, 37495, 74990, 142481, 149980, 217471, 284962, 434942, 569924, 712405, 869884, 1087355, 1424810, 2174710, 2849620, 4131949, 4349420, 8263898, 16527796, 20659745, 41319490, 82638980]

約数ペア:

[(1, 82638980), (2, 41319490), (4, 20659745), (5, 16527796), (10, 8263898), (19, 4349420), (20, 4131949), (29, 2849620), (38, 2174710), (58, 1424810), (76, 1087355), (95, 869884), (116, 712405), (145, 569924), (190, 434942), (290, 284962), (380, 217471), (551, 149980), (580, 142481), (1102, 74990), (2204, 37495), (2755, 29996), (5510, 14998), (7499, 11020)]