40142690

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{41}}^1\times {\mathrm{71}}^1\times {\mathrm{197}}^1$

素因数の和:323

約数の個数: 64

約数和(自身を含む): 86220288

約数和(自身を除く): 46077598

約数列:

[1, 2, 5, 7, 10, 14, 35, 41, 70, 71, 82, 142, 197, 205, 287, 355, 394, 410, 497, 574, 710, 985, 994, 1379, 1435, 1970, 2485, 2758, 2870, 2911, 4970, 5822, 6895, 8077, 13790, 13987, 14555, 16154, 20377, 27974, 29110, 40385, 40754, 56539, 69935, 80770, 97909, 101885, 113078, 139870, 195818, 203770, 282695, 489545, 565390, 573467, 979090, 1146934, 2867335, 4014269, 5734670, 8028538, 20071345, 40142690]

約数ペア:

[(1, 40142690), (2, 20071345), (5, 8028538), (7, 5734670), (10, 4014269), (14, 2867335), (35, 1146934), (41, 979090), (70, 573467), (71, 565390), (82, 489545), (142, 282695), (197, 203770), (205, 195818), (287, 139870), (355, 113078), (394, 101885), (410, 97909), (497, 80770), (574, 69935), (710, 56539), (985, 40754), (994, 40385), (1379, 29110), (1435, 27974), (1970, 20377), (2485, 16154), (2758, 14555), (2870, 13987), (2911, 13790), (4970, 8077), (5822, 6895)]