406812220

素因数分解:

$2^2\times 5^1\times {\mathrm{211}}^1\times {\mathrm{96401}}^1$

素因数の和:96621

約数の個数: 24

約数和(自身を含む): 858363408

約数和(自身を除く): 451551188

約数列:

[1, 2, 4, 5, 10, 20, 211, 422, 844, 1055, 2110, 4220, 96401, 192802, 385604, 482005, 964010, 1928020, 20340611, 40681222, 81362444, 101703055, 203406110, 406812220]

約数ペア:

[(1, 406812220), (2, 203406110), (4, 101703055), (5, 81362444), (10, 40681222), (20, 20340611), (211, 1928020), (422, 964010), (844, 482005), (1055, 385604), (2110, 192802), (4220, 96401)]