495427220

素因数分解:

$2^2\times 5^1\times {\mathrm{101}}^1\times {\mathrm{245261}}^1$

素因数の和:245371

約数の個数: 24

約数和(自身を含む): 1050702408

約数和(自身を除く): 555275188

約数列:

[1, 2, 4, 5, 10, 20, 101, 202, 404, 505, 1010, 2020, 245261, 490522, 981044, 1226305, 2452610, 4905220, 24771361, 49542722, 99085444, 123856805, 247713610, 495427220]

約数ペア:

[(1, 495427220), (2, 247713610), (4, 123856805), (5, 99085444), (10, 49542722), (20, 24771361), (101, 4905220), (202, 2452610), (404, 1226305), (505, 981044), (1010, 490522), (2020, 245261)]