3984920452780

素因数分解:

$2^2\times 5^1\times {\mathrm{71}}^1\times {\mathrm{2806282009}}^1$

素因数の和:2806282089

約数の個数: 24

約数和(自身を含む): 8486196798240

約数和(自身を除く): 4501276345460

約数列:

[1, 2, 4, 5, 10, 20, 71, 142, 284, 355, 710, 1420, 2806282009, 5612564018, 11225128036, 14031410045, 28062820090, 56125640180, 199246022639, 398492045278, 796984090556, 996230113195, 1992460226390, 3984920452780]

約数ペア:

[(1, 3984920452780), (2, 1992460226390), (4, 996230113195), (5, 796984090556), (10, 398492045278), (20, 199246022639), (71, 56125640180), (142, 28062820090), (284, 14031410045), (355, 11225128036), (710, 5612564018), (1420, 2806282009)]