91836860

素因数分解:

$2^2\times 5^1\times {\mathrm{103}}^1\times {\mathrm{109}}^1\times {\mathrm{409}}^1$

素因数の和:630

約数の個数: 48

約数和(自身を含む): 196996800

約数和(自身を除く): 105159940

約数列:

[1, 2, 4, 5, 10, 20, 103, 109, 206, 218, 409, 412, 436, 515, 545, 818, 1030, 1090, 1636, 2045, 2060, 2180, 4090, 8180, 11227, 22454, 42127, 44581, 44908, 56135, 84254, 89162, 112270, 168508, 178324, 210635, 222905, 224540, 421270, 445810, 842540, 891620, 4591843, 9183686, 18367372, 22959215, 45918430, 91836860]

約数ペア:

[(1, 91836860), (2, 45918430), (4, 22959215), (5, 18367372), (10, 9183686), (20, 4591843), (103, 891620), (109, 842540), (206, 445810), (218, 421270), (409, 224540), (412, 222905), (436, 210635), (515, 178324), (545, 168508), (818, 112270), (1030, 89162), (1090, 84254), (1636, 56135), (2045, 44908), (2060, 44581), (2180, 42127), (4090, 22454), (8180, 11227)]