130102220

素因数分解:

$2^2\times 5^1\times {\mathrm{97}}^1\times {\mathrm{199}}^1\times {\mathrm{337}}^1$

素因数の和:642

約数の個数: 48

約数和(自身を含む): 278241600

約数和(自身を除く): 148139380

約数列:

[1, 2, 4, 5, 10, 20, 97, 194, 199, 337, 388, 398, 485, 674, 796, 970, 995, 1348, 1685, 1940, 1990, 3370, 3980, 6740, 19303, 32689, 38606, 65378, 67063, 77212, 96515, 130756, 134126, 163445, 193030, 268252, 326890, 335315, 386060, 653780, 670630, 1341260, 6505111, 13010222, 26020444, 32525555, 65051110, 130102220]

約数ペア:

[(1, 130102220), (2, 65051110), (4, 32525555), (5, 26020444), (10, 13010222), (20, 6505111), (97, 1341260), (194, 670630), (199, 653780), (337, 386060), (388, 335315), (398, 326890), (485, 268252), (674, 193030), (796, 163445), (970, 134126), (995, 130756), (1348, 96515), (1685, 77212), (1940, 67063), (1990, 65378), (3370, 38606), (3980, 32689), (6740, 19303)]