904865480

素因数分解:

$2^3\times 5^1\times {\mathrm{487}}^1\times {\mathrm{46451}}^1$

素因数の和:46949

約数の個数: 32

約数和(自身を含む): 2040171840

約数和(自身を除く): 1135306360

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 487, 974, 1948, 2435, 3896, 4870, 9740, 19480, 46451, 92902, 185804, 232255, 371608, 464510, 929020, 1858040, 22621637, 45243274, 90486548, 113108185, 180973096, 226216370, 452432740, 904865480]

約数ペア:

[(1, 904865480), (2, 452432740), (4, 226216370), (5, 180973096), (8, 113108185), (10, 90486548), (20, 45243274), (40, 22621637), (487, 1858040), (974, 929020), (1948, 464510), (2435, 371608), (3896, 232255), (4870, 185804), (9740, 92902), (19480, 46451)]