223838420

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{860917}}^1$

素因数の和:860939

約数の個数: 24

約数和(自身を含む): 506219784

約数和(自身を除く): 282381364

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 130, 260, 860917, 1721834, 3443668, 4304585, 8609170, 11191921, 17218340, 22383842, 44767684, 55959605, 111919210, 223838420]

約数ペア:

[(1, 223838420), (2, 111919210), (4, 55959605), (5, 44767684), (10, 22383842), (13, 17218340), (20, 11191921), (26, 8609170), (52, 4304585), (65, 3443668), (130, 1721834), (260, 860917)]