131943280

素因数分解:

$2^4\times 5^1\times 7^2\times {\mathrm{97}}^1\times {\mathrm{347}}^1$

素因数の和:471

約数の個数: 120

約数和(自身を含む): 361570608

約数和(自身を除く): 229627328

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 35, 40, 49, 56, 70, 80, 97, 98, 112, 140, 194, 196, 245, 280, 347, 388, 392, 485, 490, 560, 679, 694, 776, 784, 970, 980, 1358, 1388, 1552, 1735, 1940, 1960, 2429, 2716, 2776, 3395, 3470, 3880, 3920, 4753, 4858, 5432, 5552, 6790, 6940, 7760, 9506, 9716, 10864, 12145, 13580, 13880, 17003, 19012, 19432, 23765, 24290, 27160, 27760, 33659, 34006, 38024, 38864, 47530, 48580, 54320, 67318, 68012, 76048, 85015, 95060, 97160, 134636, 136024, 168295, 170030, 190120, 194320, 235613, 269272, 272048, 336590, 340060, 380240, 471226, 538544, 673180, 680120, 942452, 1178065, 1346360, 1360240, 1649291, 1884904, 2356130, 2692720, 3298582, 3769808, 4712260, 6597164, 8246455, 9424520, 13194328, 16492910, 18849040, 26388656, 32985820, 65971640, 131943280]

約数ペア:

[(1, 131943280), (2, 65971640), (4, 32985820), (5, 26388656), (7, 18849040), (8, 16492910), (10, 13194328), (14, 9424520), (16, 8246455), (20, 6597164), (28, 4712260), (35, 3769808), (40, 3298582), (49, 2692720), (56, 2356130), (70, 1884904), (80, 1649291), (97, 1360240), (98, 1346360), (112, 1178065), (140, 942452), (194, 680120), (196, 673180), (245, 538544), (280, 471226), (347, 380240), (388, 340060), (392, 336590), (485, 272048), (490, 269272), (560, 235613), (679, 194320), (694, 190120), (776, 170030), (784, 168295), (970, 136024), (980, 134636), (1358, 97160), (1388, 95060), (1552, 85015), (1735, 76048), (1940, 68012), (1960, 67318), (2429, 54320), (2716, 48580), (2776, 47530), (3395, 38864), (3470, 38024), (3880, 34006), (3920, 33659), (4753, 27760), (4858, 27160), (5432, 24290), (5552, 23765), (6790, 19432), (6940, 19012), (7760, 17003), (9506, 13880), (9716, 13580), (10864, 12145)]