1420402280

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{3228187}}^1$

素因数の和:3228209

約数の個数: 32

約数和(自身を含む): 3486443040

約数和(自身を除く): 2066040760

約数列:

[1, 2, 4, 5, 8, 10, 11, 20, 22, 40, 44, 55, 88, 110, 220, 440, 3228187, 6456374, 12912748, 16140935, 25825496, 32281870, 35510057, 64563740, 71020114, 129127480, 142040228, 177550285, 284080456, 355100570, 710201140, 1420402280]

約数ペア:

[(1, 1420402280), (2, 710201140), (4, 355100570), (5, 284080456), (8, 177550285), (10, 142040228), (11, 129127480), (20, 71020114), (22, 64563740), (40, 35510057), (44, 32281870), (55, 25825496), (88, 16140935), (110, 12912748), (220, 6456374), (440, 3228187)]