245394020

素因数分解:

$2^2\times 5^1\times {\mathrm{41}}^1\times {\mathrm{299261}}^1$

素因数の和:299311

約数の個数: 24

約数和(自身を含む): 527898168

約数和(自身を除く): 282504148

約数列:

[1, 2, 4, 5, 10, 20, 41, 82, 164, 205, 410, 820, 299261, 598522, 1197044, 1496305, 2992610, 5985220, 12269701, 24539402, 49078804, 61348505, 122697010, 245394020]

約数ペア:

[(1, 245394020), (2, 122697010), (4, 61348505), (5, 49078804), (10, 24539402), (20, 12269701), (41, 5985220), (82, 2992610), (164, 1496305), (205, 1197044), (410, 598522), (820, 299261)]