268685780

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{1221299}}^1$

素因数の和:1221319

約数の個数: 24

約数和(自身を含む): 615535200

約数和(自身を除く): 346849420

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 44, 55, 110, 220, 1221299, 2442598, 4885196, 6106495, 12212990, 13434289, 24425980, 26868578, 53737156, 67171445, 134342890, 268685780]

約数ペア:

[(1, 268685780), (2, 134342890), (4, 67171445), (5, 53737156), (10, 26868578), (11, 24425980), (20, 13434289), (22, 12212990), (44, 6106495), (55, 4885196), (110, 2442598), (220, 1221299)]