189857640

素因数分解:

$2^3\times 3^1\times 5^1\times 7^1\times {\mathrm{23}}^1\times {\mathrm{31}}^1\times {\mathrm{317}}^1$

素因数の和:392

約数の個数: 256

約数和(自身を含む): 703365120

約数和(自身を除く): 513507480

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 20, 21, 23, 24, 28, 30, 31, 35, 40, 42, 46, 56, 60, 62, 69, 70, 84, 92, 93, 105, 115, 120, 124, 138, 140, 155, 161, 168, 184, 186, 210, 217, 230, 248, 276, 280, 310, 317, 322, 345, 372, 420, 434, 460, 465, 483, 552, 620, 634, 644, 651, 690, 713, 744, 805, 840, 868, 920, 930, 951, 966, 1085, 1240, 1268, 1288, 1302, 1380, 1426, 1585, 1610, 1736, 1860, 1902, 1932, 2139, 2170, 2219, 2415, 2536, 2604, 2760, 2852, 3170, 3220, 3255, 3565, 3720, 3804, 3864, 4278, 4340, 4438, 4755, 4830, 4991, 5208, 5704, 6340, 6440, 6510, 6657, 7130, 7291, 7608, 8556, 8680, 8876, 9510, 9660, 9827, 9982, 10695, 11095, 12680, 13020, 13314, 14260, 14582, 14973, 17112, 17752, 19020, 19320, 19654, 19964, 21390, 21873, 22190, 24955, 26040, 26628, 28520, 29164, 29481, 29946, 33285, 36455, 38040, 39308, 39928, 42780, 43746, 44380, 49135, 49910, 51037, 53256, 58328, 58962, 59892, 66570, 68789, 72910, 74865, 78616, 85560, 87492, 88760, 98270, 99820, 102074, 109365, 117924, 119784, 133140, 137578, 145820, 147405, 149730, 153111, 174984, 196540, 199640, 204148, 206367, 218730, 226021, 235848, 255185, 266280, 275156, 291640, 294810, 299460, 306222, 343945, 393080, 408296, 412734, 437460, 452042, 510370, 550312, 589620, 598920, 612444, 678063, 687890, 765555, 825468, 874920, 904084, 1020740, 1031835, 1130105, 1179240, 1224888, 1356126, 1375780, 1531110, 1582147, 1650936, 1808168, 2041480, 2063670, 2260210, 2712252, 2751560, 3062220, 3164294, 3390315, 4127340, 4520420, 4746441, 5424504, 6124440, 6328588, 6780630, 7910735, 8254680, 9040840, 9492882, 12657176, 13561260, 15821470, 18985764, 23732205, 27122520, 31642940, 37971528, 47464410, 63285880, 94928820, 189857640]

約数ペア:

[(1, 189857640), (2, 94928820), (3, 63285880), (4, 47464410), (5, 37971528), (6, 31642940), (7, 27122520), (8, 23732205), (10, 18985764), (12, 15821470), (14, 13561260), (15, 12657176), (20, 9492882), (21, 9040840), (23, 8254680), (24, 7910735), (28, 6780630), (30, 6328588), (31, 6124440), (35, 5424504), (40, 4746441), (42, 4520420), (46, 4127340), (56, 3390315), (60, 3164294), (62, 3062220), (69, 2751560), (70, 2712252), (84, 2260210), (92, 2063670), (93, 2041480), (105, 1808168), (115, 1650936), (120, 1582147), (124, 1531110), (138, 1375780), (140, 1356126), (155, 1224888), (161, 1179240), (168, 1130105), (184, 1031835), (186, 1020740), (210, 904084), (217, 874920), (230, 825468), (248, 765555), (276, 687890), (280, 678063), (310, 612444), (317, 598920), (322, 589620), (345, 550312), (372, 510370), (420, 452042), (434, 437460), (460, 412734), (465, 408296), (483, 393080), (552, 343945), (620, 306222), (634, 299460), (644, 294810), (651, 291640), (690, 275156), (713, 266280), (744, 255185), (805, 235848), (840, 226021), (868, 218730), (920, 206367), (930, 204148), (951, 199640), (966, 196540), (1085, 174984), (1240, 153111), (1268, 149730), (1288, 147405), (1302, 145820), (1380, 137578), (1426, 133140), (1585, 119784), (1610, 117924), (1736, 109365), (1860, 102074), (1902, 99820), (1932, 98270), (2139, 88760), (2170, 87492), (2219, 85560), (2415, 78616), (2536, 74865), (2604, 72910), (2760, 68789), (2852, 66570), (3170, 59892), (3220, 58962), (3255, 58328), (3565, 53256), (3720, 51037), (3804, 49910), (3864, 49135), (4278, 44380), (4340, 43746), (4438, 42780), (4755, 39928), (4830, 39308), (4991, 38040), (5208, 36455), (5704, 33285), (6340, 29946), (6440, 29481), (6510, 29164), (6657, 28520), (7130, 26628), (7291, 26040), (7608, 24955), (8556, 22190), (8680, 21873), (8876, 21390), (9510, 19964), (9660, 19654), (9827, 19320), (9982, 19020), (10695, 17752), (11095, 17112), (12680, 14973), (13020, 14582), (13314, 14260)]