310318480

素因数分解:

$2^4\times 5^1\times {\mathrm{3878981}}^1$

素因数の和:3878994

約数の個数: 20

約数和(自身を含む): 721490652

約数和(自身を除く): 411172172

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 3878981, 7757962, 15515924, 19394905, 31031848, 38789810, 62063696, 77579620, 155159240, 310318480]

約数ペア:

[(1, 310318480), (2, 155159240), (4, 77579620), (5, 62063696), (8, 38789810), (10, 31031848), (16, 19394905), (20, 15515924), (40, 7757962), (80, 3878981)]