207717820

素因数分解:

$2^2\times 5^1\times {\mathrm{349}}^1\times {\mathrm{29759}}^1$

素因数の和:30117

約数の個数: 24

約数和(自身を含む): 437472000

約数和(自身を除く): 229754180

約数列:

[1, 2, 4, 5, 10, 20, 349, 698, 1396, 1745, 3490, 6980, 29759, 59518, 119036, 148795, 297590, 595180, 10385891, 20771782, 41543564, 51929455, 103858910, 207717820]

約数ペア:

[(1, 207717820), (2, 103858910), (4, 51929455), (5, 41543564), (10, 20771782), (20, 10385891), (349, 595180), (698, 297590), (1396, 148795), (1745, 119036), (3490, 59518), (6980, 29759)]