99667780

素因数分解:

$2^2\times 5^1\times {\mathrm{29}}^1\times {\mathrm{239}}^1\times {\mathrm{719}}^1$

素因数の和:996

約数の個数: 48

約数和(自身を含む): 217728000

約数和(自身を除く): 118060220

約数列:

[1, 2, 4, 5, 10, 20, 29, 58, 116, 145, 239, 290, 478, 580, 719, 956, 1195, 1438, 2390, 2876, 3595, 4780, 6931, 7190, 13862, 14380, 20851, 27724, 34655, 41702, 69310, 83404, 104255, 138620, 171841, 208510, 343682, 417020, 687364, 859205, 1718410, 3436820, 4983389, 9966778, 19933556, 24916945, 49833890, 99667780]

約数ペア:

[(1, 99667780), (2, 49833890), (4, 24916945), (5, 19933556), (10, 9966778), (20, 4983389), (29, 3436820), (58, 1718410), (116, 859205), (145, 687364), (239, 417020), (290, 343682), (478, 208510), (580, 171841), (719, 138620), (956, 104255), (1195, 83404), (1438, 69310), (2390, 41702), (2876, 34655), (3595, 27724), (4780, 20851), (6931, 14380), (7190, 13862)]