140162440

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{461}}^1\times {\mathrm{691}}^1$

素因数の和:1174

約数の個数: 64

約数和(自身を含む): 345280320

約数和(自身を除く): 205117880

約数列:

[1, 2, 4, 5, 8, 10, 11, 20, 22, 40, 44, 55, 88, 110, 220, 440, 461, 691, 922, 1382, 1844, 2305, 2764, 3455, 3688, 4610, 5071, 5528, 6910, 7601, 9220, 10142, 13820, 15202, 18440, 20284, 25355, 27640, 30404, 38005, 40568, 50710, 60808, 76010, 101420, 152020, 202840, 304040, 318551, 637102, 1274204, 1592755, 2548408, 3185510, 3504061, 6371020, 7008122, 12742040, 14016244, 17520305, 28032488, 35040610, 70081220, 140162440]

約数ペア:

[(1, 140162440), (2, 70081220), (4, 35040610), (5, 28032488), (8, 17520305), (10, 14016244), (11, 12742040), (20, 7008122), (22, 6371020), (40, 3504061), (44, 3185510), (55, 2548408), (88, 1592755), (110, 1274204), (220, 637102), (440, 318551), (461, 304040), (691, 202840), (922, 152020), (1382, 101420), (1844, 76010), (2305, 60808), (2764, 50710), (3455, 40568), (3688, 38005), (4610, 30404), (5071, 27640), (5528, 25355), (6910, 20284), (7601, 18440), (9220, 15202), (10142, 13820)]