220449340

素因数分解:

$2^2\times 5^1\times {\mathrm{349}}^1\times {\mathrm{31583}}^1$

素因数の和:31941

約数の個数: 24

約数和(自身を含む): 464284800

約数和(自身を除く): 243835460

約数列:

[1, 2, 4, 5, 10, 20, 349, 698, 1396, 1745, 3490, 6980, 31583, 63166, 126332, 157915, 315830, 631660, 11022467, 22044934, 44089868, 55112335, 110224670, 220449340]

約数ペア:

[(1, 220449340), (2, 110224670), (4, 55112335), (5, 44089868), (10, 22044934), (20, 11022467), (349, 631660), (698, 315830), (1396, 157915), (1745, 126332), (3490, 63166), (6980, 31583)]