6861940

素因数分解:

$2^2\times 5^1\times {\mathrm{43}}^1\times {\mathrm{79}}^1\times {\mathrm{101}}^1$

素因数の和:232

約数の個数: 48

約数和(自身を含む): 15079680

約数和(自身を除く): 8217740

約数列:

[1, 2, 4, 5, 10, 20, 43, 79, 86, 101, 158, 172, 202, 215, 316, 395, 404, 430, 505, 790, 860, 1010, 1580, 2020, 3397, 4343, 6794, 7979, 8686, 13588, 15958, 16985, 17372, 21715, 31916, 33970, 39895, 43430, 67940, 79790, 86860, 159580, 343097, 686194, 1372388, 1715485, 3430970, 6861940]

約数ペア:

[(1, 6861940), (2, 3430970), (4, 1715485), (5, 1372388), (10, 686194), (20, 343097), (43, 159580), (79, 86860), (86, 79790), (101, 67940), (158, 43430), (172, 39895), (202, 33970), (215, 31916), (316, 21715), (395, 17372), (404, 16985), (430, 15958), (505, 13588), (790, 8686), (860, 7979), (1010, 6794), (1580, 4343), (2020, 3397)]