2802019970

素因数分解:

$2^1\times 5^1\times {\mathrm{71}}^1\times {\mathrm{3946507}}^1$

素因数の和:3946585

約数の個数: 16

約数和(自身を含む): 5114674368

約数和(自身を除く): 2312654398

約数列:

[1, 2, 5, 10, 71, 142, 355, 710, 3946507, 7893014, 19732535, 39465070, 280201997, 560403994, 1401009985, 2802019970]

約数ペア:

[(1, 2802019970), (2, 1401009985), (5, 560403994), (10, 280201997), (71, 39465070), (142, 19732535), (355, 7893014), (710, 3946507)]