1899686680

素因数分解:

$2^3\times 5^1\times {\mathrm{43}}^1\times {\mathrm{103}}^1\times {\mathrm{10723}}^1$

素因数の和:10880

約数の個数: 64

約数和(自身を含む): 4416572160

約数和(自身を除く): 2516885480

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 43, 86, 103, 172, 206, 215, 344, 412, 430, 515, 824, 860, 1030, 1720, 2060, 4120, 4429, 8858, 10723, 17716, 21446, 22145, 35432, 42892, 44290, 53615, 85784, 88580, 107230, 177160, 214460, 428920, 461089, 922178, 1104469, 1844356, 2208938, 2305445, 3688712, 4417876, 4610890, 5522345, 8835752, 9221780, 11044690, 18443560, 22089380, 44178760, 47492167, 94984334, 189968668, 237460835, 379937336, 474921670, 949843340, 1899686680]

約数ペア:

[(1, 1899686680), (2, 949843340), (4, 474921670), (5, 379937336), (8, 237460835), (10, 189968668), (20, 94984334), (40, 47492167), (43, 44178760), (86, 22089380), (103, 18443560), (172, 11044690), (206, 9221780), (215, 8835752), (344, 5522345), (412, 4610890), (430, 4417876), (515, 3688712), (824, 2305445), (860, 2208938), (1030, 1844356), (1720, 1104469), (2060, 922178), (4120, 461089), (4429, 428920), (8858, 214460), (10723, 177160), (17716, 107230), (21446, 88580), (22145, 85784), (35432, 53615), (42892, 44290)]