222788920

素因数分解:

$2^3\times 5^1\times {\mathrm{283}}^1\times {\mathrm{19681}}^1$

素因数の和:19975

約数の個数: 32

約数和(自身を含む): 503071920

約数和(自身を除く): 280283000

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 283, 566, 1132, 1415, 2264, 2830, 5660, 11320, 19681, 39362, 78724, 98405, 157448, 196810, 393620, 787240, 5569723, 11139446, 22278892, 27848615, 44557784, 55697230, 111394460, 222788920]

約数ペア:

[(1, 222788920), (2, 111394460), (4, 55697230), (5, 44557784), (8, 27848615), (10, 22278892), (20, 11139446), (40, 5569723), (283, 787240), (566, 393620), (1132, 196810), (1415, 157448), (2264, 98405), (2830, 78724), (5660, 39362), (11320, 19681)]