487904020

素因数分解:

$2^2\times 5^1\times {\mathrm{1549}}^1\times {\mathrm{15749}}^1$

素因数の和:17307

約数の個数: 24

約数和(自身を含む): 1025325000

約数和(自身を除く): 537420980

約数列:

[1, 2, 4, 5, 10, 20, 1549, 3098, 6196, 7745, 15490, 15749, 30980, 31498, 62996, 78745, 157490, 314980, 24395201, 48790402, 97580804, 121976005, 243952010, 487904020]

約数ペア:

[(1, 487904020), (2, 243952010), (4, 121976005), (5, 97580804), (10, 48790402), (20, 24395201), (1549, 314980), (3098, 157490), (6196, 78745), (7745, 62996), (15490, 31498), (15749, 30980)]