1902555220

素因数分解:

$2^2\times 5^1\times {\mathrm{241}}^1\times {\mathrm{394721}}^1$

素因数の和:394971

約数の個数: 24

約数和(自身を含む): 4011954408

約数和(自身を除く): 2109399188

約数列:

[1, 2, 4, 5, 10, 20, 241, 482, 964, 1205, 2410, 4820, 394721, 789442, 1578884, 1973605, 3947210, 7894420, 95127761, 190255522, 380511044, 475638805, 951277610, 1902555220]

約数ペア:

[(1, 1902555220), (2, 951277610), (4, 475638805), (5, 380511044), (10, 190255522), (20, 95127761), (241, 7894420), (482, 3947210), (964, 1973605), (1205, 1578884), (2410, 789442), (4820, 394721)]