388701040

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{107}}^1\times {\mathrm{499}}^1$

素因数の和:639

約数の個数: 160

約数和(自身を含む): 1124928000

約数和(自身を除く): 736226960

約数列:

[1, 2, 4, 5, 7, 8, 10, 13, 14, 16, 20, 26, 28, 35, 40, 52, 56, 65, 70, 80, 91, 104, 107, 112, 130, 140, 182, 208, 214, 260, 280, 364, 428, 455, 499, 520, 535, 560, 728, 749, 856, 910, 998, 1040, 1070, 1391, 1456, 1498, 1712, 1820, 1996, 2140, 2495, 2782, 2996, 3493, 3640, 3745, 3992, 4280, 4990, 5564, 5992, 6487, 6955, 6986, 7280, 7490, 7984, 8560, 9737, 9980, 11128, 11984, 12974, 13910, 13972, 14980, 17465, 19474, 19960, 22256, 25948, 27820, 27944, 29960, 32435, 34930, 38948, 39920, 45409, 48685, 51896, 53393, 55640, 55888, 59920, 64870, 69860, 77896, 90818, 97370, 103792, 106786, 111280, 129740, 139720, 155792, 181636, 194740, 213572, 227045, 259480, 266965, 279440, 363272, 373751, 389480, 427144, 454090, 518960, 533930, 694109, 726544, 747502, 778960, 854288, 908180, 1067860, 1388218, 1495004, 1816360, 1868755, 2135720, 2776436, 2990008, 3470545, 3632720, 3737510, 4271440, 4858763, 5552872, 5980016, 6941090, 7475020, 9717526, 11105744, 13882180, 14950040, 19435052, 24293815, 27764360, 29900080, 38870104, 48587630, 55528720, 77740208, 97175260, 194350520, 388701040]

約数ペア:

[(1, 388701040), (2, 194350520), (4, 97175260), (5, 77740208), (7, 55528720), (8, 48587630), (10, 38870104), (13, 29900080), (14, 27764360), (16, 24293815), (20, 19435052), (26, 14950040), (28, 13882180), (35, 11105744), (40, 9717526), (52, 7475020), (56, 6941090), (65, 5980016), (70, 5552872), (80, 4858763), (91, 4271440), (104, 3737510), (107, 3632720), (112, 3470545), (130, 2990008), (140, 2776436), (182, 2135720), (208, 1868755), (214, 1816360), (260, 1495004), (280, 1388218), (364, 1067860), (428, 908180), (455, 854288), (499, 778960), (520, 747502), (535, 726544), (560, 694109), (728, 533930), (749, 518960), (856, 454090), (910, 427144), (998, 389480), (1040, 373751), (1070, 363272), (1391, 279440), (1456, 266965), (1498, 259480), (1712, 227045), (1820, 213572), (1996, 194740), (2140, 181636), (2495, 155792), (2782, 139720), (2996, 129740), (3493, 111280), (3640, 106786), (3745, 103792), (3992, 97370), (4280, 90818), (4990, 77896), (5564, 69860), (5992, 64870), (6487, 59920), (6955, 55888), (6986, 55640), (7280, 53393), (7490, 51896), (7984, 48685), (8560, 45409), (9737, 39920), (9980, 38948), (11128, 34930), (11984, 32435), (12974, 29960), (13910, 27944), (13972, 27820), (14980, 25948), (17465, 22256), (19474, 19960)]