2490804980

素因数分解:

$2^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{7325897}}^1$

素因数の和:7325923

約数の個数: 24

約数和(自身を含む): 5538378888

約数和(自身を除く): 3047573908

約数列:

[1, 2, 4, 5, 10, 17, 20, 34, 68, 85, 170, 340, 7325897, 14651794, 29303588, 36629485, 73258970, 124540249, 146517940, 249080498, 498160996, 622701245, 1245402490, 2490804980]

約数ペア:

[(1, 2490804980), (2, 1245402490), (4, 622701245), (5, 498160996), (10, 249080498), (17, 146517940), (20, 124540249), (34, 73258970), (68, 36629485), (85, 29303588), (170, 14651794), (340, 7325897)]