72189610

素因数分解:

$2^1\times 5^1\times {\mathrm{103}}^1\times {\mathrm{109}}^1\times {\mathrm{643}}^1$

素因数の和:862

約数の個数: 32

約数和(自身を含む): 132612480

約数和(自身を除く): 60422870

約数列:

[1, 2, 5, 10, 103, 109, 206, 218, 515, 545, 643, 1030, 1090, 1286, 3215, 6430, 11227, 22454, 56135, 66229, 70087, 112270, 132458, 140174, 331145, 350435, 662290, 700870, 7218961, 14437922, 36094805, 72189610]

約数ペア:

[(1, 72189610), (2, 36094805), (5, 14437922), (10, 7218961), (103, 700870), (109, 662290), (206, 350435), (218, 331145), (515, 140174), (545, 132458), (643, 112270), (1030, 70087), (1090, 66229), (1286, 56135), (3215, 22454), (6430, 11227)]