168409870

素因数分解:

$2^1\times 5^1\times {\mathrm{71}}^1\times {\mathrm{193}}^1\times {\mathrm{1229}}^1$

素因数の和:1500

約数の個数: 32

約数和(自身を含む): 309251520

約数和(自身を除く): 140841650

約数列:

[1, 2, 5, 10, 71, 142, 193, 355, 386, 710, 965, 1229, 1930, 2458, 6145, 12290, 13703, 27406, 68515, 87259, 137030, 174518, 237197, 436295, 474394, 872590, 1185985, 2371970, 16840987, 33681974, 84204935, 168409870]

約数ペア:

[(1, 168409870), (2, 84204935), (5, 33681974), (10, 16840987), (71, 2371970), (142, 1185985), (193, 872590), (355, 474394), (386, 436295), (710, 237197), (965, 174518), (1229, 137030), (1930, 87259), (2458, 68515), (6145, 27406), (12290, 13703)]