4278740

素因数分解:

$2^2\times 5^1\times {\mathrm{349}}^1\times {\mathrm{613}}^1$

素因数の和:971

約数の個数: 24

約数和(自身を含む): 9025800

約数和(自身を除く): 4747060

約数列:

[1, 2, 4, 5, 10, 20, 349, 613, 698, 1226, 1396, 1745, 2452, 3065, 3490, 6130, 6980, 12260, 213937, 427874, 855748, 1069685, 2139370, 4278740]

約数ペア:

[(1, 4278740), (2, 2139370), (4, 1069685), (5, 855748), (10, 427874), (20, 213937), (349, 12260), (613, 6980), (698, 6130), (1226, 3490), (1396, 3065), (1745, 2452)]