109001560

素因数分解:

$2^3\times 5^1\times {\mathrm{43}}^1\times {\mathrm{127}}^1\times {\mathrm{499}}^1$

素因数の和:680

約数の個数: 64

約数和(自身を含む): 253440000

約数和(自身を除く): 144438440

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 43, 86, 127, 172, 215, 254, 344, 430, 499, 508, 635, 860, 998, 1016, 1270, 1720, 1996, 2495, 2540, 3992, 4990, 5080, 5461, 9980, 10922, 19960, 21457, 21844, 27305, 42914, 43688, 54610, 63373, 85828, 107285, 109220, 126746, 171656, 214570, 218440, 253492, 316865, 429140, 506984, 633730, 858280, 1267460, 2534920, 2725039, 5450078, 10900156, 13625195, 21800312, 27250390, 54500780, 109001560]

約数ペア:

[(1, 109001560), (2, 54500780), (4, 27250390), (5, 21800312), (8, 13625195), (10, 10900156), (20, 5450078), (40, 2725039), (43, 2534920), (86, 1267460), (127, 858280), (172, 633730), (215, 506984), (254, 429140), (344, 316865), (430, 253492), (499, 218440), (508, 214570), (635, 171656), (860, 126746), (998, 109220), (1016, 107285), (1270, 85828), (1720, 63373), (1996, 54610), (2495, 43688), (2540, 42914), (3992, 27305), (4990, 21844), (5080, 21457), (5461, 19960), (9980, 10922)]