74700520

素因数分解:

$2^3\times 5^1\times {\mathrm{29}}^1\times {\mathrm{71}}^1\times {\mathrm{907}}^1$

素因数の和:1018

約数の個数: 64

約数和(自身を含む): 176515200

約数和(自身を除く): 101814680

約数列:

[1, 2, 4, 5, 8, 10, 20, 29, 40, 58, 71, 116, 142, 145, 232, 284, 290, 355, 568, 580, 710, 907, 1160, 1420, 1814, 2059, 2840, 3628, 4118, 4535, 7256, 8236, 9070, 10295, 16472, 18140, 20590, 26303, 36280, 41180, 52606, 64397, 82360, 105212, 128794, 131515, 210424, 257588, 263030, 321985, 515176, 526060, 643970, 1052120, 1287940, 1867513, 2575880, 3735026, 7470052, 9337565, 14940104, 18675130, 37350260, 74700520]

約数ペア:

[(1, 74700520), (2, 37350260), (4, 18675130), (5, 14940104), (8, 9337565), (10, 7470052), (20, 3735026), (29, 2575880), (40, 1867513), (58, 1287940), (71, 1052120), (116, 643970), (142, 526060), (145, 515176), (232, 321985), (284, 263030), (290, 257588), (355, 210424), (568, 131515), (580, 128794), (710, 105212), (907, 82360), (1160, 64397), (1420, 52606), (1814, 41180), (2059, 36280), (2840, 26303), (3628, 20590), (4118, 18140), (4535, 16472), (7256, 10295), (8236, 9070)]