309532240

素因数分解:

$2^4\times 5^1\times {\mathrm{3869153}}^1$

素因数の和:3869166

約数の個数: 20

約数和(自身を含む): 719662644

約数和(自身を除く): 410130404

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 3869153, 7738306, 15476612, 19345765, 30953224, 38691530, 61906448, 77383060, 154766120, 309532240]

約数ペア:

[(1, 309532240), (2, 154766120), (4, 77383060), (5, 61906448), (8, 38691530), (10, 30953224), (16, 19345765), (20, 15476612), (40, 7738306), (80, 3869153)]