200740820

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{103}}^1\times {\mathrm{13921}}^1$

素因数の和:14040

約数の個数: 48

約数和(自身を含む): 486490368

約数和(自身を除く): 285749548

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 103, 140, 206, 412, 515, 721, 1030, 1442, 2060, 2884, 3605, 7210, 13921, 14420, 27842, 55684, 69605, 97447, 139210, 194894, 278420, 389788, 487235, 974470, 1433863, 1948940, 2867726, 5735452, 7169315, 10037041, 14338630, 20074082, 28677260, 40148164, 50185205, 100370410, 200740820]

約数ペア:

[(1, 200740820), (2, 100370410), (4, 50185205), (5, 40148164), (7, 28677260), (10, 20074082), (14, 14338630), (20, 10037041), (28, 7169315), (35, 5735452), (70, 2867726), (103, 1948940), (140, 1433863), (206, 974470), (412, 487235), (515, 389788), (721, 278420), (1030, 194894), (1442, 139210), (2060, 97447), (2884, 69605), (3605, 55684), (7210, 27842), (13921, 14420)]