179917060

素因数分解:

$2^2\times 5^1\times {\mathrm{61}}^1\times {\mathrm{89}}^1\times {\mathrm{1657}}^1$

素因数の和:1816

約数の個数: 48

約数和(自身を含む): 388568880

約数和(自身を除く): 208651820

約数列:

[1, 2, 4, 5, 10, 20, 61, 89, 122, 178, 244, 305, 356, 445, 610, 890, 1220, 1657, 1780, 3314, 5429, 6628, 8285, 10858, 16570, 21716, 27145, 33140, 54290, 101077, 108580, 147473, 202154, 294946, 404308, 505385, 589892, 737365, 1010770, 1474730, 2021540, 2949460, 8995853, 17991706, 35983412, 44979265, 89958530, 179917060]

約数ペア:

[(1, 179917060), (2, 89958530), (4, 44979265), (5, 35983412), (10, 17991706), (20, 8995853), (61, 2949460), (89, 2021540), (122, 1474730), (178, 1010770), (244, 737365), (305, 589892), (356, 505385), (445, 404308), (610, 294946), (890, 202154), (1220, 147473), (1657, 108580), (1780, 101077), (3314, 54290), (5429, 33140), (6628, 27145), (8285, 21716), (10858, 16570)]