394031690

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{67}}^1\times {\mathrm{2381}}^1$

素因数の和:2487

約数の個数: 64

約数和(自身を含む): 816359040

約数和(自身を除く): 422327350

約数列:

[1, 2, 5, 10, 13, 19, 26, 38, 65, 67, 95, 130, 134, 190, 247, 335, 494, 670, 871, 1235, 1273, 1742, 2381, 2470, 2546, 4355, 4762, 6365, 8710, 11905, 12730, 16549, 23810, 30953, 33098, 45239, 61906, 82745, 90478, 154765, 159527, 165490, 226195, 309530, 319054, 452390, 588107, 797635, 1176214, 1595270, 2073851, 2940535, 3031013, 4147702, 5881070, 6062026, 10369255, 15155065, 20738510, 30310130, 39403169, 78806338, 197015845, 394031690]

約数ペア:

[(1, 394031690), (2, 197015845), (5, 78806338), (10, 39403169), (13, 30310130), (19, 20738510), (26, 15155065), (38, 10369255), (65, 6062026), (67, 5881070), (95, 4147702), (130, 3031013), (134, 2940535), (190, 2073851), (247, 1595270), (335, 1176214), (494, 797635), (670, 588107), (871, 452390), (1235, 319054), (1273, 309530), (1742, 226195), (2381, 165490), (2470, 159527), (2546, 154765), (4355, 90478), (4762, 82745), (6365, 61906), (8710, 45239), (11905, 33098), (12730, 30953), (16549, 23810)]