488291660

素因数分解:

$2^2\times 5^1\times {\mathrm{43}}^1\times {\mathrm{109}}^1\times {\mathrm{5209}}^1$

素因数の和:5370

約数の個数: 48

約数和(自身を含む): 1059088800

約数和(自身を除く): 570797140

約数列:

[1, 2, 4, 5, 10, 20, 43, 86, 109, 172, 215, 218, 430, 436, 545, 860, 1090, 2180, 4687, 5209, 9374, 10418, 18748, 20836, 23435, 26045, 46870, 52090, 93740, 104180, 223987, 447974, 567781, 895948, 1119935, 1135562, 2239870, 2271124, 2838905, 4479740, 5677810, 11355620, 24414583, 48829166, 97658332, 122072915, 244145830, 488291660]

約数ペア:

[(1, 488291660), (2, 244145830), (4, 122072915), (5, 97658332), (10, 48829166), (20, 24414583), (43, 11355620), (86, 5677810), (109, 4479740), (172, 2838905), (215, 2271124), (218, 2239870), (430, 1135562), (436, 1119935), (545, 895948), (860, 567781), (1090, 447974), (2180, 223987), (4687, 104180), (5209, 93740), (9374, 52090), (10418, 46870), (18748, 26045), (20836, 23435)]