8493320

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{97}}^1\times {\mathrm{199}}^1$

素因数の和:318

約数の個数: 64

約数和(自身を含む): 21168000

約数和(自身を除く): 12674680

約数列:

[1, 2, 4, 5, 8, 10, 11, 20, 22, 40, 44, 55, 88, 97, 110, 194, 199, 220, 388, 398, 440, 485, 776, 796, 970, 995, 1067, 1592, 1940, 1990, 2134, 2189, 3880, 3980, 4268, 4378, 5335, 7960, 8536, 8756, 10670, 10945, 17512, 19303, 21340, 21890, 38606, 42680, 43780, 77212, 87560, 96515, 154424, 193030, 212333, 386060, 424666, 772120, 849332, 1061665, 1698664, 2123330, 4246660, 8493320]

約数ペア:

[(1, 8493320), (2, 4246660), (4, 2123330), (5, 1698664), (8, 1061665), (10, 849332), (11, 772120), (20, 424666), (22, 386060), (40, 212333), (44, 193030), (55, 154424), (88, 96515), (97, 87560), (110, 77212), (194, 43780), (199, 42680), (220, 38606), (388, 21890), (398, 21340), (440, 19303), (485, 17512), (776, 10945), (796, 10670), (970, 8756), (995, 8536), (1067, 7960), (1592, 5335), (1940, 4378), (1990, 4268), (2134, 3980), (2189, 3880)]