2018745080

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{43}}^1\times {\mathrm{106699}}^1$

素因数の和:106764

約数の個数: 64

約数和(自身を含む): 5070384000

約数和(自身を除く): 3051638920

約数列:

[1, 2, 4, 5, 8, 10, 11, 20, 22, 40, 43, 44, 55, 86, 88, 110, 172, 215, 220, 344, 430, 440, 473, 860, 946, 1720, 1892, 2365, 3784, 4730, 9460, 18920, 106699, 213398, 426796, 533495, 853592, 1066990, 1173689, 2133980, 2347378, 4267960, 4588057, 4694756, 5868445, 9176114, 9389512, 11736890, 18352228, 22940285, 23473780, 36704456, 45880570, 46947560, 50468627, 91761140, 100937254, 183522280, 201874508, 252343135, 403749016, 504686270, 1009372540, 2018745080]

約数ペア:

[(1, 2018745080), (2, 1009372540), (4, 504686270), (5, 403749016), (8, 252343135), (10, 201874508), (11, 183522280), (20, 100937254), (22, 91761140), (40, 50468627), (43, 46947560), (44, 45880570), (55, 36704456), (86, 23473780), (88, 22940285), (110, 18352228), (172, 11736890), (215, 9389512), (220, 9176114), (344, 5868445), (430, 4694756), (440, 4588057), (473, 4267960), (860, 2347378), (946, 2133980), (1720, 1173689), (1892, 1066990), (2365, 853592), (3784, 533495), (4730, 426796), (9460, 213398), (18920, 106699)]