256450

素因数分解:

$2^1\times 5^2\times {\mathrm{23}}^1\times {\mathrm{223}}^1$

素因数の和:258

約数の個数: 24

約数和(自身を含む): 499968

約数和(自身を除く): 243518

約数列:

[1, 2, 5, 10, 23, 25, 46, 50, 115, 223, 230, 446, 575, 1115, 1150, 2230, 5129, 5575, 10258, 11150, 25645, 51290, 128225, 256450]

約数ペア:

[(1, 256450), (2, 128225), (5, 51290), (10, 25645), (23, 11150), (25, 10258), (46, 5575), (50, 5129), (115, 2230), (223, 1150), (230, 1115), (446, 575)]