207630520

素因数分解:

$2^3\times 5^1\times {\mathrm{17}}^1\times {\mathrm{305339}}^1$

素因数の和:305367

約数の個数: 32

約数和(自身を含む): 494650800

約数和(自身を除く): 287020280

約数列:

[1, 2, 4, 5, 8, 10, 17, 20, 34, 40, 68, 85, 136, 170, 340, 680, 305339, 610678, 1221356, 1526695, 2442712, 3053390, 5190763, 6106780, 10381526, 12213560, 20763052, 25953815, 41526104, 51907630, 103815260, 207630520]

約数ペア:

[(1, 207630520), (2, 103815260), (4, 51907630), (5, 41526104), (8, 25953815), (10, 20763052), (17, 12213560), (20, 10381526), (34, 6106780), (40, 5190763), (68, 3053390), (85, 2442712), (136, 1526695), (170, 1221356), (340, 610678), (680, 305339)]