879135940

素因数分解:

$2^2\times 5^1\times {\mathrm{41}}^1\times {\mathrm{47}}^1\times {\mathrm{22811}}^1$

素因数の和:22908

約数の個数: 48

約数和(自身を含む): 1931537664

約数和(自身を除く): 1052401724

約数列:

[1, 2, 4, 5, 10, 20, 41, 47, 82, 94, 164, 188, 205, 235, 410, 470, 820, 940, 1927, 3854, 7708, 9635, 19270, 22811, 38540, 45622, 91244, 114055, 228110, 456220, 935251, 1072117, 1870502, 2144234, 3741004, 4288468, 4676255, 5360585, 9352510, 10721170, 18705020, 21442340, 43956797, 87913594, 175827188, 219783985, 439567970, 879135940]

約数ペア:

[(1, 879135940), (2, 439567970), (4, 219783985), (5, 175827188), (10, 87913594), (20, 43956797), (41, 21442340), (47, 18705020), (82, 10721170), (94, 9352510), (164, 5360585), (188, 4676255), (205, 4288468), (235, 3741004), (410, 2144234), (470, 1870502), (820, 1072117), (940, 935251), (1927, 456220), (3854, 228110), (7708, 114055), (9635, 91244), (19270, 45622), (22811, 38540)]