348939920

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{623107}}^1$

素因数の和:623127

約数の個数: 40

約数和(自身を含む): 927184704

約数和(自身を除く): 578244784

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 35, 40, 56, 70, 80, 112, 140, 280, 560, 623107, 1246214, 2492428, 3115535, 4361749, 4984856, 6231070, 8723498, 9969712, 12462140, 17446996, 21808745, 24924280, 34893992, 43617490, 49848560, 69787984, 87234980, 174469960, 348939920]

約数ペア:

[(1, 348939920), (2, 174469960), (4, 87234980), (5, 69787984), (7, 49848560), (8, 43617490), (10, 34893992), (14, 24924280), (16, 21808745), (20, 17446996), (28, 12462140), (35, 9969712), (40, 8723498), (56, 6231070), (70, 4984856), (80, 4361749), (112, 3115535), (140, 2492428), (280, 1246214), (560, 623107)]