157629890

素因数分解:

$2^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{199}}^1\times {\mathrm{379}}^1$

素因数の和:615

約数の個数: 64

約数和(自身を含む): 328320000

約数和(自身を除く): 170690110

約数列:

[1, 2, 5, 10, 11, 19, 22, 38, 55, 95, 110, 190, 199, 209, 379, 398, 418, 758, 995, 1045, 1895, 1990, 2090, 2189, 3781, 3790, 4169, 4378, 7201, 7562, 8338, 10945, 14402, 18905, 20845, 21890, 36005, 37810, 41591, 41690, 72010, 75421, 79211, 83182, 150842, 158422, 207955, 377105, 396055, 415910, 754210, 792110, 829631, 1432999, 1659262, 2865998, 4148155, 7164995, 8296310, 14329990, 15762989, 31525978, 78814945, 157629890]

約数ペア:

[(1, 157629890), (2, 78814945), (5, 31525978), (10, 15762989), (11, 14329990), (19, 8296310), (22, 7164995), (38, 4148155), (55, 2865998), (95, 1659262), (110, 1432999), (190, 829631), (199, 792110), (209, 754210), (379, 415910), (398, 396055), (418, 377105), (758, 207955), (995, 158422), (1045, 150842), (1895, 83182), (1990, 79211), (2090, 75421), (2189, 72010), (3781, 41690), (3790, 41591), (4169, 37810), (4378, 36005), (7201, 21890), (7562, 20845), (8338, 18905), (10945, 14402)]