115968680

素因数分解:

$2^3\times 5^1\times {\mathrm{29}}^1\times {\mathrm{257}}^1\times {\mathrm{389}}^1$

素因数の和:686

約数の個数: 64

約数和(自身を含む): 271674000

約数和(自身を除く): 155705320

約数列:

[1, 2, 4, 5, 8, 10, 20, 29, 40, 58, 116, 145, 232, 257, 290, 389, 514, 580, 778, 1028, 1160, 1285, 1556, 1945, 2056, 2570, 3112, 3890, 5140, 7453, 7780, 10280, 11281, 14906, 15560, 22562, 29812, 37265, 45124, 56405, 59624, 74530, 90248, 99973, 112810, 149060, 199946, 225620, 298120, 399892, 451240, 499865, 799784, 999730, 1999460, 2899217, 3998920, 5798434, 11596868, 14496085, 23193736, 28992170, 57984340, 115968680]

約数ペア:

[(1, 115968680), (2, 57984340), (4, 28992170), (5, 23193736), (8, 14496085), (10, 11596868), (20, 5798434), (29, 3998920), (40, 2899217), (58, 1999460), (116, 999730), (145, 799784), (232, 499865), (257, 451240), (290, 399892), (389, 298120), (514, 225620), (580, 199946), (778, 149060), (1028, 112810), (1160, 99973), (1285, 90248), (1556, 74530), (1945, 59624), (2056, 56405), (2570, 45124), (3112, 37265), (3890, 29812), (5140, 22562), (7453, 15560), (7780, 14906), (10280, 11281)]