82817980

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{101}}^1\times {\mathrm{5857}}^1$

素因数の和:5974

約数の個数: 48

約数和(自身を含む): 200765376

約数和(自身を除く): 117947396

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 101, 140, 202, 404, 505, 707, 1010, 1414, 2020, 2828, 3535, 5857, 7070, 11714, 14140, 23428, 29285, 40999, 58570, 81998, 117140, 163996, 204995, 409990, 591557, 819980, 1183114, 2366228, 2957785, 4140899, 5915570, 8281798, 11831140, 16563596, 20704495, 41408990, 82817980]

約数ペア:

[(1, 82817980), (2, 41408990), (4, 20704495), (5, 16563596), (7, 11831140), (10, 8281798), (14, 5915570), (20, 4140899), (28, 2957785), (35, 2366228), (70, 1183114), (101, 819980), (140, 591557), (202, 409990), (404, 204995), (505, 163996), (707, 117140), (1010, 81998), (1414, 58570), (2020, 40999), (2828, 29285), (3535, 23428), (5857, 14140), (7070, 11714)]