339950840

素因数分解:

$2^3\times 5^1\times {\mathrm{71}}^1\times {\mathrm{119701}}^1$

素因数の和:119783

約数の個数: 32

約数和(自身を含む): 775668960

約数和(自身を除く): 435718120

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 71, 142, 284, 355, 568, 710, 1420, 2840, 119701, 239402, 478804, 598505, 957608, 1197010, 2394020, 4788040, 8498771, 16997542, 33995084, 42493855, 67990168, 84987710, 169975420, 339950840]

約数ペア:

[(1, 339950840), (2, 169975420), (4, 84987710), (5, 67990168), (8, 42493855), (10, 33995084), (20, 16997542), (40, 8498771), (71, 4788040), (142, 2394020), (284, 1197010), (355, 957608), (568, 598505), (710, 478804), (1420, 239402), (2840, 119701)]