178120

素因数分解:

$2^3\times 5^1\times {\mathrm{61}}^1\times {\mathrm{73}}^1$

素因数の和:145

約数の個数: 32

約数和(自身を含む): 412920

約数和(自身を除く): 234800

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 61, 73, 122, 146, 244, 292, 305, 365, 488, 584, 610, 730, 1220, 1460, 2440, 2920, 4453, 8906, 17812, 22265, 35624, 44530, 89060, 178120]

約数ペア:

[(1, 178120), (2, 89060), (4, 44530), (5, 35624), (8, 22265), (10, 17812), (20, 8906), (40, 4453), (61, 2920), (73, 2440), (122, 1460), (146, 1220), (244, 730), (292, 610), (305, 584), (365, 488)]