71844970

素因数分解:

$2^1\times 5^1\times {\mathrm{79}}^1\times {\mathrm{199}}^1\times {\mathrm{457}}^1$

素因数の和:742

約数の個数: 32

約数和(自身を含む): 131904000

約数和(自身を除く): 60059030

約数列:

[1, 2, 5, 10, 79, 158, 199, 395, 398, 457, 790, 914, 995, 1990, 2285, 4570, 15721, 31442, 36103, 72206, 78605, 90943, 157210, 180515, 181886, 361030, 454715, 909430, 7184497, 14368994, 35922485, 71844970]

約数ペア:

[(1, 71844970), (2, 35922485), (5, 14368994), (10, 7184497), (79, 909430), (158, 454715), (199, 361030), (395, 181886), (398, 180515), (457, 157210), (790, 90943), (914, 78605), (995, 72206), (1990, 36103), (2285, 31442), (4570, 15721)]