205120700

素因数分解:

$2^2\times 5^2\times {\mathrm{331}}^1\times {\mathrm{6197}}^1$

素因数の和:6542

約数の個数: 36

約数和(自身を含む): 446528712

約数和(自身を除く): 241408012

約数列:

[1, 2, 4, 5, 10, 20, 25, 50, 100, 331, 662, 1324, 1655, 3310, 6197, 6620, 8275, 12394, 16550, 24788, 30985, 33100, 61970, 123940, 154925, 309850, 619700, 2051207, 4102414, 8204828, 10256035, 20512070, 41024140, 51280175, 102560350, 205120700]

約数ペア:

[(1, 205120700), (2, 102560350), (4, 51280175), (5, 41024140), (10, 20512070), (20, 10256035), (25, 8204828), (50, 4102414), (100, 2051207), (331, 619700), (662, 309850), (1324, 154925), (1655, 123940), (3310, 61970), (6197, 33100), (6620, 30985), (8275, 24788), (12394, 16550)]