211535720

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{47}}^1\times {\mathrm{53}}^1\times {\mathrm{193}}^1$

素因数の和:315

約数の個数: 128

約数和(自身を含む): 543075840

約数和(自身を除く): 331540120

約数列:

[1, 2, 4, 5, 8, 10, 11, 20, 22, 40, 44, 47, 53, 55, 88, 94, 106, 110, 188, 193, 212, 220, 235, 265, 376, 386, 424, 440, 470, 517, 530, 583, 772, 940, 965, 1034, 1060, 1166, 1544, 1880, 1930, 2068, 2120, 2123, 2332, 2491, 2585, 2915, 3860, 4136, 4246, 4664, 4982, 5170, 5830, 7720, 8492, 9071, 9964, 10229, 10340, 10615, 11660, 12455, 16984, 18142, 19928, 20458, 20680, 21230, 23320, 24910, 27401, 36284, 40916, 42460, 45355, 49820, 51145, 54802, 72568, 81832, 84920, 90710, 99640, 99781, 102290, 109604, 112519, 137005, 181420, 199562, 204580, 219208, 225038, 274010, 362840, 399124, 409160, 450076, 480763, 498905, 548020, 562595, 798248, 900152, 961526, 997810, 1096040, 1125190, 1923052, 1995620, 2250380, 2403815, 3846104, 3991240, 4500760, 4807630, 5288393, 9615260, 10576786, 19230520, 21153572, 26441965, 42307144, 52883930, 105767860, 211535720]

約数ペア:

[(1, 211535720), (2, 105767860), (4, 52883930), (5, 42307144), (8, 26441965), (10, 21153572), (11, 19230520), (20, 10576786), (22, 9615260), (40, 5288393), (44, 4807630), (47, 4500760), (53, 3991240), (55, 3846104), (88, 2403815), (94, 2250380), (106, 1995620), (110, 1923052), (188, 1125190), (193, 1096040), (212, 997810), (220, 961526), (235, 900152), (265, 798248), (376, 562595), (386, 548020), (424, 498905), (440, 480763), (470, 450076), (517, 409160), (530, 399124), (583, 362840), (772, 274010), (940, 225038), (965, 219208), (1034, 204580), (1060, 199562), (1166, 181420), (1544, 137005), (1880, 112519), (1930, 109604), (2068, 102290), (2120, 99781), (2123, 99640), (2332, 90710), (2491, 84920), (2585, 81832), (2915, 72568), (3860, 54802), (4136, 51145), (4246, 49820), (4664, 45355), (4982, 42460), (5170, 40916), (5830, 36284), (7720, 27401), (8492, 24910), (9071, 23320), (9964, 21230), (10229, 20680), (10340, 20458), (10615, 19928), (11660, 18142), (12455, 16984)]