389202340

素因数分解:

$2^2\times 5^1\times {\mathrm{41}}^1\times {\mathrm{89}}^1\times {\mathrm{5333}}^1$

素因数の和:5472

約数の個数: 48

約数和(自身を含む): 846825840

約数和(自身を除く): 457623500

約数列:

[1, 2, 4, 5, 10, 20, 41, 82, 89, 164, 178, 205, 356, 410, 445, 820, 890, 1780, 3649, 5333, 7298, 10666, 14596, 18245, 21332, 26665, 36490, 53330, 72980, 106660, 218653, 437306, 474637, 874612, 949274, 1093265, 1898548, 2186530, 2373185, 4373060, 4746370, 9492740, 19460117, 38920234, 77840468, 97300585, 194601170, 389202340]

約数ペア:

[(1, 389202340), (2, 194601170), (4, 97300585), (5, 77840468), (10, 38920234), (20, 19460117), (41, 9492740), (82, 4746370), (89, 4373060), (164, 2373185), (178, 2186530), (205, 1898548), (356, 1093265), (410, 949274), (445, 874612), (820, 474637), (890, 437306), (1780, 218653), (3649, 106660), (5333, 72980), (7298, 53330), (10666, 36490), (14596, 26665), (18245, 21332)]