3221980

素因数分解:

$2^2\times 5^1\times {\mathrm{71}}^1\times {\mathrm{2269}}^1$

素因数の和:2349

約数の個数: 24

約数和(自身を含む): 6864480

約数和(自身を除く): 3642500

約数列:

[1, 2, 4, 5, 10, 20, 71, 142, 284, 355, 710, 1420, 2269, 4538, 9076, 11345, 22690, 45380, 161099, 322198, 644396, 805495, 1610990, 3221980]

約数ペア:

[(1, 3221980), (2, 1610990), (4, 805495), (5, 644396), (10, 322198), (20, 161099), (71, 45380), (142, 22690), (284, 11345), (355, 9076), (710, 4538), (1420, 2269)]