218853860

素因数分解:

$2^2\times 5^1\times {\mathrm{383}}^1\times {\mathrm{28571}}^1$

素因数の和:28963

約数の個数: 24

約数和(自身を含む): 460809216

約数和(自身を除く): 241955356

約数列:

[1, 2, 4, 5, 10, 20, 383, 766, 1532, 1915, 3830, 7660, 28571, 57142, 114284, 142855, 285710, 571420, 10942693, 21885386, 43770772, 54713465, 109426930, 218853860]

約数ペア:

[(1, 218853860), (2, 109426930), (4, 54713465), (5, 43770772), (10, 21885386), (20, 10942693), (383, 571420), (766, 285710), (1532, 142855), (1915, 114284), (3830, 57142), (7660, 28571)]