2955640

素因数分解:

$2^3\times 5^1\times {\mathrm{19}}^1\times {\mathrm{3889}}^1$

素因数の和:3919

約数の個数: 32

約数和(自身を含む): 7002000

約数和(自身を除く): 4046360

約数列:

[1, 2, 4, 5, 8, 10, 19, 20, 38, 40, 76, 95, 152, 190, 380, 760, 3889, 7778, 15556, 19445, 31112, 38890, 73891, 77780, 147782, 155560, 295564, 369455, 591128, 738910, 1477820, 2955640]

約数ペア:

[(1, 2955640), (2, 1477820), (4, 738910), (5, 591128), (8, 369455), (10, 295564), (19, 155560), (20, 147782), (38, 77780), (40, 73891), (76, 38890), (95, 31112), (152, 19445), (190, 15556), (380, 7778), (760, 3889)]