869180840

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{103969}}^1$

素因数の和:104010

約数の個数: 64

約数和(自身を含む): 2245752000

約数和(自身を除く): 1376571160

約数列:

[1, 2, 4, 5, 8, 10, 11, 19, 20, 22, 38, 40, 44, 55, 76, 88, 95, 110, 152, 190, 209, 220, 380, 418, 440, 760, 836, 1045, 1672, 2090, 4180, 8360, 103969, 207938, 415876, 519845, 831752, 1039690, 1143659, 1975411, 2079380, 2287318, 3950822, 4158760, 4574636, 5718295, 7901644, 9149272, 9877055, 11436590, 15803288, 19754110, 21729521, 22873180, 39508220, 43459042, 45746360, 79016440, 86918084, 108647605, 173836168, 217295210, 434590420, 869180840]

約数ペア:

[(1, 869180840), (2, 434590420), (4, 217295210), (5, 173836168), (8, 108647605), (10, 86918084), (11, 79016440), (19, 45746360), (20, 43459042), (22, 39508220), (38, 22873180), (40, 21729521), (44, 19754110), (55, 15803288), (76, 11436590), (88, 9877055), (95, 9149272), (110, 7901644), (152, 5718295), (190, 4574636), (209, 4158760), (220, 3950822), (380, 2287318), (418, 2079380), (440, 1975411), (760, 1143659), (836, 1039690), (1045, 831752), (1672, 519845), (2090, 415876), (4180, 207938), (8360, 103969)]