248718820

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{389}}^1\times {\mathrm{4567}}^1$

素因数の和:4972

約数の個数: 48

約数和(自身を含む): 598590720

約数和(自身を除く): 349871900

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 389, 778, 1556, 1945, 2723, 3890, 4567, 5446, 7780, 9134, 10892, 13615, 18268, 22835, 27230, 31969, 45670, 54460, 63938, 91340, 127876, 159845, 319690, 639380, 1776563, 3553126, 7106252, 8882815, 12435941, 17765630, 24871882, 35531260, 49743764, 62179705, 124359410, 248718820]

約数ペア:

[(1, 248718820), (2, 124359410), (4, 62179705), (5, 49743764), (7, 35531260), (10, 24871882), (14, 17765630), (20, 12435941), (28, 8882815), (35, 7106252), (70, 3553126), (140, 1776563), (389, 639380), (778, 319690), (1556, 159845), (1945, 127876), (2723, 91340), (3890, 63938), (4567, 54460), (5446, 45670), (7780, 31969), (9134, 27230), (10892, 22835), (13615, 18268)]