388787560

素因数分解:

$2^3\times 5^1\times 7^2\times {\mathrm{293}}^1\times {\mathrm{677}}^1$

素因数の和:995

約数の個数: 96

約数和(自身を含む): 1022573160

約数和(自身を除く): 633785600

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 49, 56, 70, 98, 140, 196, 245, 280, 293, 392, 490, 586, 677, 980, 1172, 1354, 1465, 1960, 2051, 2344, 2708, 2930, 3385, 4102, 4739, 5416, 5860, 6770, 8204, 9478, 10255, 11720, 13540, 14357, 16408, 18956, 20510, 23695, 27080, 28714, 33173, 37912, 41020, 47390, 57428, 66346, 71785, 82040, 94780, 114856, 132692, 143570, 165865, 189560, 198361, 265384, 287140, 331730, 396722, 574280, 663460, 793444, 991805, 1326920, 1388527, 1586888, 1983610, 2777054, 3967220, 5554108, 6942635, 7934440, 9719689, 11108216, 13885270, 19439378, 27770540, 38878756, 48598445, 55541080, 77757512, 97196890, 194393780, 388787560]

約数ペア:

[(1, 388787560), (2, 194393780), (4, 97196890), (5, 77757512), (7, 55541080), (8, 48598445), (10, 38878756), (14, 27770540), (20, 19439378), (28, 13885270), (35, 11108216), (40, 9719689), (49, 7934440), (56, 6942635), (70, 5554108), (98, 3967220), (140, 2777054), (196, 1983610), (245, 1586888), (280, 1388527), (293, 1326920), (392, 991805), (490, 793444), (586, 663460), (677, 574280), (980, 396722), (1172, 331730), (1354, 287140), (1465, 265384), (1960, 198361), (2051, 189560), (2344, 165865), (2708, 143570), (2930, 132692), (3385, 114856), (4102, 94780), (4739, 82040), (5416, 71785), (5860, 66346), (6770, 57428), (8204, 47390), (9478, 41020), (10255, 37912), (11720, 33173), (13540, 28714), (14357, 27080), (16408, 23695), (18956, 20510)]