718979020

素因数分解:

$2^2\times 5^1\times {\mathrm{29}}^1\times {\mathrm{1239619}}^1$

素因数の和:1239657

約数の個数: 24

約数和(自身を含む): 1561921200

約数和(自身を除く): 842942180

約数列:

[1, 2, 4, 5, 10, 20, 29, 58, 116, 145, 290, 580, 1239619, 2479238, 4958476, 6198095, 12396190, 24792380, 35948951, 71897902, 143795804, 179744755, 359489510, 718979020]

約数ペア:

[(1, 718979020), (2, 359489510), (4, 179744755), (5, 143795804), (10, 71897902), (20, 35948951), (29, 24792380), (58, 12396190), (116, 6198095), (145, 4958476), (290, 2479238), (580, 1239619)]