64463420

素因数分解:

$2^2\times 5^1\times 7^3\times {\mathrm{9397}}^1$

素因数の和:9427

約数の個数: 48

約数和(自身を含む): 157886400

約数和(自身を除く): 93422980

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 49, 70, 98, 140, 196, 245, 343, 490, 686, 980, 1372, 1715, 3430, 6860, 9397, 18794, 37588, 46985, 65779, 93970, 131558, 187940, 263116, 328895, 460453, 657790, 920906, 1315580, 1841812, 2302265, 3223171, 4604530, 6446342, 9209060, 12892684, 16115855, 32231710, 64463420]

約数ペア:

[(1, 64463420), (2, 32231710), (4, 16115855), (5, 12892684), (7, 9209060), (10, 6446342), (14, 4604530), (20, 3223171), (28, 2302265), (35, 1841812), (49, 1315580), (70, 920906), (98, 657790), (140, 460453), (196, 328895), (245, 263116), (343, 187940), (490, 131558), (686, 93970), (980, 65779), (1372, 46985), (1715, 37588), (3430, 18794), (6860, 9397)]