12117980

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{101}}^1\times {\mathrm{857}}^1$

素因数の和:974

約数の個数: 48

約数和(自身を含む): 29405376

約数和(自身を除く): 17287396

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 101, 140, 202, 404, 505, 707, 857, 1010, 1414, 1714, 2020, 2828, 3428, 3535, 4285, 5999, 7070, 8570, 11998, 14140, 17140, 23996, 29995, 59990, 86557, 119980, 173114, 346228, 432785, 605899, 865570, 1211798, 1731140, 2423596, 3029495, 6058990, 12117980]

約数ペア:

[(1, 12117980), (2, 6058990), (4, 3029495), (5, 2423596), (7, 1731140), (10, 1211798), (14, 865570), (20, 605899), (28, 432785), (35, 346228), (70, 173114), (101, 119980), (140, 86557), (202, 59990), (404, 29995), (505, 23996), (707, 17140), (857, 14140), (1010, 11998), (1414, 8570), (1714, 7070), (2020, 5999), (2828, 4285), (3428, 3535)]