245588560

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{438551}}^1$

素因数の和:438571

約数の個数: 40

約数和(自身を含む): 652565376

約数和(自身を除く): 406976816

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 35, 40, 56, 70, 80, 112, 140, 280, 560, 438551, 877102, 1754204, 2192755, 3069857, 3508408, 4385510, 6139714, 7016816, 8771020, 12279428, 15349285, 17542040, 24558856, 30698570, 35084080, 49117712, 61397140, 122794280, 245588560]

約数ペア:

[(1, 245588560), (2, 122794280), (4, 61397140), (5, 49117712), (7, 35084080), (8, 30698570), (10, 24558856), (14, 17542040), (16, 15349285), (20, 12279428), (28, 8771020), (35, 7016816), (40, 6139714), (56, 4385510), (70, 3508408), (80, 3069857), (112, 2192755), (140, 1754204), (280, 877102), (560, 438551)]