401049860

素因数分解:

$2^2\times 5^1\times {\mathrm{349}}^1\times {\mathrm{57457}}^1$

素因数の和:57815

約数の個数: 24

約数和(自身を含む): 844632600

約数和(自身を除く): 443582740

約数列:

[1, 2, 4, 5, 10, 20, 349, 698, 1396, 1745, 3490, 6980, 57457, 114914, 229828, 287285, 574570, 1149140, 20052493, 40104986, 80209972, 100262465, 200524930, 401049860]

約数ペア:

[(1, 401049860), (2, 200524930), (4, 100262465), (5, 80209972), (10, 40104986), (20, 20052493), (349, 1149140), (698, 574570), (1396, 287285), (1745, 229828), (3490, 114914), (6980, 57457)]