211717360

素因数分解:

$2^4\times 5^1\times {\mathrm{349}}^1\times {\mathrm{7583}}^1$

素因数の和:7945

約数の個数: 40

約数和(自身を含む): 493718400

約数和(自身を除く): 282001040

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 349, 698, 1396, 1745, 2792, 3490, 5584, 6980, 7583, 13960, 15166, 27920, 30332, 37915, 60664, 75830, 121328, 151660, 303320, 606640, 2646467, 5292934, 10585868, 13232335, 21171736, 26464670, 42343472, 52929340, 105858680, 211717360]

約数ペア:

[(1, 211717360), (2, 105858680), (4, 52929340), (5, 42343472), (8, 26464670), (10, 21171736), (16, 13232335), (20, 10585868), (40, 5292934), (80, 2646467), (349, 606640), (698, 303320), (1396, 151660), (1745, 121328), (2792, 75830), (3490, 60664), (5584, 37915), (6980, 30332), (7583, 27920), (13960, 15166)]