308430280

素因数分解:

$2^3\times 5^1\times {\mathrm{7710757}}^1$

素因数の和:7710768

約数の個数: 16

約数和(自身を含む): 693968220

約数和(自身を除く): 385537940

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 7710757, 15421514, 30843028, 38553785, 61686056, 77107570, 154215140, 308430280]

約数ペア:

[(1, 308430280), (2, 154215140), (4, 77107570), (5, 61686056), (8, 38553785), (10, 30843028), (20, 15421514), (40, 7710757)]