393793840

素因数分解:

$2^4\times 5^1\times {\mathrm{11}}^1\times {\mathrm{67}}^1\times {\mathrm{6679}}^1$

素因数の和:6770

約数の個数: 80

約数和(自身を含む): 1013863680

約数和(自身を除く): 620069840

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 20, 22, 40, 44, 55, 67, 80, 88, 110, 134, 176, 220, 268, 335, 440, 536, 670, 737, 880, 1072, 1340, 1474, 2680, 2948, 3685, 5360, 5896, 6679, 7370, 11792, 13358, 14740, 26716, 29480, 33395, 53432, 58960, 66790, 73469, 106864, 133580, 146938, 267160, 293876, 367345, 447493, 534320, 587752, 734690, 894986, 1175504, 1469380, 1789972, 2237465, 2938760, 3579944, 4474930, 4922423, 5877520, 7159888, 8949860, 9844846, 17899720, 19689692, 24612115, 35799440, 39379384, 49224230, 78758768, 98448460, 196896920, 393793840]

約数ペア:

[(1, 393793840), (2, 196896920), (4, 98448460), (5, 78758768), (8, 49224230), (10, 39379384), (11, 35799440), (16, 24612115), (20, 19689692), (22, 17899720), (40, 9844846), (44, 8949860), (55, 7159888), (67, 5877520), (80, 4922423), (88, 4474930), (110, 3579944), (134, 2938760), (176, 2237465), (220, 1789972), (268, 1469380), (335, 1175504), (440, 894986), (536, 734690), (670, 587752), (737, 534320), (880, 447493), (1072, 367345), (1340, 293876), (1474, 267160), (2680, 146938), (2948, 133580), (3685, 106864), (5360, 73469), (5896, 66790), (6679, 58960), (7370, 53432), (11792, 33395), (13358, 29480), (14740, 26716)]