28585340

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{73}}^1\times {\mathrm{2797}}^1$

素因数の和:2886

約数の個数: 48

約数和(自身を含む): 69569472

約数和(自身を除く): 40984132

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 73, 140, 146, 292, 365, 511, 730, 1022, 1460, 2044, 2555, 2797, 5110, 5594, 10220, 11188, 13985, 19579, 27970, 39158, 55940, 78316, 97895, 195790, 204181, 391580, 408362, 816724, 1020905, 1429267, 2041810, 2858534, 4083620, 5717068, 7146335, 14292670, 28585340]

約数ペア:

[(1, 28585340), (2, 14292670), (4, 7146335), (5, 5717068), (7, 4083620), (10, 2858534), (14, 2041810), (20, 1429267), (28, 1020905), (35, 816724), (70, 408362), (73, 391580), (140, 204181), (146, 195790), (292, 97895), (365, 78316), (511, 55940), (730, 39158), (1022, 27970), (1460, 19579), (2044, 13985), (2555, 11188), (2797, 10220), (5110, 5594)]