444640340

素因数分解:

$2^2\times 5^1\times {\mathrm{71}}^1\times {\mathrm{313127}}^1$

素因数の和:313207

約数の個数: 24

約数和(自身を含む): 946899072

約数和(自身を除く): 502258732

約数列:

[1, 2, 4, 5, 10, 20, 71, 142, 284, 355, 710, 1420, 313127, 626254, 1252508, 1565635, 3131270, 6262540, 22232017, 44464034, 88928068, 111160085, 222320170, 444640340]

約数ペア:

[(1, 444640340), (2, 222320170), (4, 111160085), (5, 88928068), (10, 44464034), (20, 22232017), (71, 6262540), (142, 3131270), (284, 1565635), (355, 1252508), (710, 626254), (1420, 313127)]