129335920

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{97}}^1\times {\mathrm{2381}}^1$

素因数の和:2498

約数の個数: 80

約数和(自身を含む): 347352768

約数和(自身を除く): 218016848

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 35, 40, 56, 70, 80, 97, 112, 140, 194, 280, 388, 485, 560, 679, 776, 970, 1358, 1552, 1940, 2381, 2716, 3395, 3880, 4762, 5432, 6790, 7760, 9524, 10864, 11905, 13580, 16667, 19048, 23810, 27160, 33334, 38096, 47620, 54320, 66668, 83335, 95240, 133336, 166670, 190480, 230957, 266672, 333340, 461914, 666680, 923828, 1154785, 1333360, 1616699, 1847656, 2309570, 3233398, 3695312, 4619140, 6466796, 8083495, 9238280, 12933592, 16166990, 18476560, 25867184, 32333980, 64667960, 129335920]

約数ペア:

[(1, 129335920), (2, 64667960), (4, 32333980), (5, 25867184), (7, 18476560), (8, 16166990), (10, 12933592), (14, 9238280), (16, 8083495), (20, 6466796), (28, 4619140), (35, 3695312), (40, 3233398), (56, 2309570), (70, 1847656), (80, 1616699), (97, 1333360), (112, 1154785), (140, 923828), (194, 666680), (280, 461914), (388, 333340), (485, 266672), (560, 230957), (679, 190480), (776, 166670), (970, 133336), (1358, 95240), (1552, 83335), (1940, 66668), (2381, 54320), (2716, 47620), (3395, 38096), (3880, 33334), (4762, 27160), (5432, 23810), (6790, 19048), (7760, 16667), (9524, 13580), (10864, 11905)]