1298203420

素因数分解:

$2^2\times 5^1\times {\mathrm{223}}^1\times {\mathrm{291077}}^1$

素因数の和:291309

約数の個数: 24

約数和(自身を含む): 2738461824

約数和(自身を除く): 1440258404

約数列:

[1, 2, 4, 5, 10, 20, 223, 446, 892, 1115, 2230, 4460, 291077, 582154, 1164308, 1455385, 2910770, 5821540, 64910171, 129820342, 259640684, 324550855, 649101710, 1298203420]

約数ペア:

[(1, 1298203420), (2, 649101710), (4, 324550855), (5, 259640684), (10, 129820342), (20, 64910171), (223, 5821540), (446, 2910770), (892, 1455385), (1115, 1164308), (2230, 582154), (4460, 291077)]