208731900

素因数分解:

$2^2\times 3^1\times 5^2\times {\mathrm{13}}^2\times {\mathrm{23}}^1\times {\mathrm{179}}^1$

素因数の和:245

約数の個数: 216

約数和(自身を含む): 686206080

約数和(自身を除く): 477474180

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 13, 15, 20, 23, 25, 26, 30, 39, 46, 50, 52, 60, 65, 69, 75, 78, 92, 100, 115, 130, 138, 150, 156, 169, 179, 195, 230, 260, 276, 299, 300, 325, 338, 345, 358, 390, 460, 507, 537, 575, 598, 650, 676, 690, 716, 780, 845, 895, 897, 975, 1014, 1074, 1150, 1196, 1300, 1380, 1495, 1690, 1725, 1790, 1794, 1950, 2028, 2148, 2300, 2327, 2535, 2685, 2990, 3380, 3450, 3580, 3588, 3887, 3900, 4117, 4225, 4475, 4485, 4654, 5070, 5370, 5980, 6900, 6981, 7475, 7774, 8234, 8450, 8950, 8970, 9308, 10140, 10740, 11635, 11661, 12351, 12675, 13425, 13962, 14950, 15548, 16468, 16900, 17900, 17940, 19435, 20585, 22425, 23270, 23322, 24702, 25350, 26850, 27924, 29900, 30251, 34905, 38870, 41170, 44850, 46540, 46644, 49404, 50700, 53521, 53700, 58175, 58305, 60502, 61755, 69810, 77740, 82340, 89700, 90753, 97175, 102925, 107042, 116350, 116610, 121004, 123510, 139620, 151255, 160563, 174525, 181506, 194350, 205850, 214084, 232700, 233220, 247020, 267605, 291525, 302510, 308775, 321126, 349050, 363012, 388700, 411700, 453765, 535210, 583050, 605020, 617550, 642252, 695773, 698100, 756275, 802815, 907530, 1070420, 1166100, 1235100, 1338025, 1391546, 1512550, 1605630, 1815060, 2087319, 2268825, 2676050, 2783092, 3025100, 3211260, 3478865, 4014075, 4174638, 4537650, 5352100, 6957730, 8028150, 8349276, 9075300, 10436595, 13915460, 16056300, 17394325, 20873190, 34788650, 41746380, 52182975, 69577300, 104365950, 208731900]

約数ペア:

[(1, 208731900), (2, 104365950), (3, 69577300), (4, 52182975), (5, 41746380), (6, 34788650), (10, 20873190), (12, 17394325), (13, 16056300), (15, 13915460), (20, 10436595), (23, 9075300), (25, 8349276), (26, 8028150), (30, 6957730), (39, 5352100), (46, 4537650), (50, 4174638), (52, 4014075), (60, 3478865), (65, 3211260), (69, 3025100), (75, 2783092), (78, 2676050), (92, 2268825), (100, 2087319), (115, 1815060), (130, 1605630), (138, 1512550), (150, 1391546), (156, 1338025), (169, 1235100), (179, 1166100), (195, 1070420), (230, 907530), (260, 802815), (276, 756275), (299, 698100), (300, 695773), (325, 642252), (338, 617550), (345, 605020), (358, 583050), (390, 535210), (460, 453765), (507, 411700), (537, 388700), (575, 363012), (598, 349050), (650, 321126), (676, 308775), (690, 302510), (716, 291525), (780, 267605), (845, 247020), (895, 233220), (897, 232700), (975, 214084), (1014, 205850), (1074, 194350), (1150, 181506), (1196, 174525), (1300, 160563), (1380, 151255), (1495, 139620), (1690, 123510), (1725, 121004), (1790, 116610), (1794, 116350), (1950, 107042), (2028, 102925), (2148, 97175), (2300, 90753), (2327, 89700), (2535, 82340), (2685, 77740), (2990, 69810), (3380, 61755), (3450, 60502), (3580, 58305), (3588, 58175), (3887, 53700), (3900, 53521), (4117, 50700), (4225, 49404), (4475, 46644), (4485, 46540), (4654, 44850), (5070, 41170), (5370, 38870), (5980, 34905), (6900, 30251), (6981, 29900), (7475, 27924), (7774, 26850), (8234, 25350), (8450, 24702), (8950, 23322), (8970, 23270), (9308, 22425), (10140, 20585), (10740, 19435), (11635, 17940), (11661, 17900), (12351, 16900), (12675, 16468), (13425, 15548), (13962, 14950)]