83985880

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{23}}^1\times {\mathrm{43}}^1\times {\mathrm{193}}^1$

素因数の和:281

約数の個数: 128

約数和(自身を含む): 221253120

約数和(自身を除く): 137267240

約数列:

[1, 2, 4, 5, 8, 10, 11, 20, 22, 23, 40, 43, 44, 46, 55, 86, 88, 92, 110, 115, 172, 184, 193, 215, 220, 230, 253, 344, 386, 430, 440, 460, 473, 506, 772, 860, 920, 946, 965, 989, 1012, 1265, 1544, 1720, 1892, 1930, 1978, 2024, 2123, 2365, 2530, 3784, 3860, 3956, 4246, 4439, 4730, 4945, 5060, 7720, 7912, 8299, 8492, 8878, 9460, 9890, 10120, 10615, 10879, 16598, 16984, 17756, 18920, 19780, 21230, 21758, 22195, 33196, 35512, 39560, 41495, 42460, 43516, 44390, 48829, 54395, 66392, 82990, 84920, 87032, 88780, 91289, 97658, 108790, 165980, 177560, 182578, 190877, 195316, 217580, 244145, 331960, 365156, 381754, 390632, 435160, 456445, 488290, 730312, 763508, 912890, 954385, 976580, 1527016, 1825780, 1908770, 1953160, 2099647, 3651560, 3817540, 4199294, 7635080, 8398588, 10498235, 16797176, 20996470, 41992940, 83985880]

約数ペア:

[(1, 83985880), (2, 41992940), (4, 20996470), (5, 16797176), (8, 10498235), (10, 8398588), (11, 7635080), (20, 4199294), (22, 3817540), (23, 3651560), (40, 2099647), (43, 1953160), (44, 1908770), (46, 1825780), (55, 1527016), (86, 976580), (88, 954385), (92, 912890), (110, 763508), (115, 730312), (172, 488290), (184, 456445), (193, 435160), (215, 390632), (220, 381754), (230, 365156), (253, 331960), (344, 244145), (386, 217580), (430, 195316), (440, 190877), (460, 182578), (473, 177560), (506, 165980), (772, 108790), (860, 97658), (920, 91289), (946, 88780), (965, 87032), (989, 84920), (1012, 82990), (1265, 66392), (1544, 54395), (1720, 48829), (1892, 44390), (1930, 43516), (1978, 42460), (2024, 41495), (2123, 39560), (2365, 35512), (2530, 33196), (3784, 22195), (3860, 21758), (3956, 21230), (4246, 19780), (4439, 18920), (4730, 17756), (4945, 16984), (5060, 16598), (7720, 10879), (7912, 10615), (8299, 10120), (8492, 9890), (8878, 9460)]