310039960

素因数分解:

$2^3\times 5^1\times {\mathrm{71}}^1\times {\mathrm{109169}}^1$

素因数の和:109251

約数の個数: 32

約数和(自身を含む): 707421600

約数和(自身を除く): 397381640

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 71, 142, 284, 355, 568, 710, 1420, 2840, 109169, 218338, 436676, 545845, 873352, 1091690, 2183380, 4366760, 7750999, 15501998, 31003996, 38754995, 62007992, 77509990, 155019980, 310039960]

約数ペア:

[(1, 310039960), (2, 155019980), (4, 77509990), (5, 62007992), (8, 38754995), (10, 31003996), (20, 15501998), (40, 7750999), (71, 4366760), (142, 2183380), (284, 1091690), (355, 873352), (568, 545845), (710, 436676), (1420, 218338), (2840, 109169)]