447760

素因数分解:

$2^4\times 5^1\times {\mathrm{29}}^1\times {\mathrm{193}}^1$

素因数の和:235

約数の個数: 40

約数和(自身を含む): 1082520

約数和(自身を除く): 634760

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 29, 40, 58, 80, 116, 145, 193, 232, 290, 386, 464, 580, 772, 965, 1160, 1544, 1930, 2320, 3088, 3860, 5597, 7720, 11194, 15440, 22388, 27985, 44776, 55970, 89552, 111940, 223880, 447760]

約数ペア:

[(1, 447760), (2, 223880), (4, 111940), (5, 89552), (8, 55970), (10, 44776), (16, 27985), (20, 22388), (29, 15440), (40, 11194), (58, 7720), (80, 5597), (116, 3860), (145, 3088), (193, 2320), (232, 1930), (290, 1544), (386, 1160), (464, 965), (580, 772)]