2000505970

素因数分解:

$2^1\times 5^1\times {\mathrm{499}}^1\times {\mathrm{400903}}^1$

素因数の和:401409

約数の個数: 16

約数和(自身を含む): 3608136000

約数和(自身を除く): 1607630030

約数列:

[1, 2, 5, 10, 499, 998, 2495, 4990, 400903, 801806, 2004515, 4009030, 200050597, 400101194, 1000252985, 2000505970]

約数ペア:

[(1, 2000505970), (2, 1000252985), (5, 400101194), (10, 200050597), (499, 4009030), (998, 2004515), (2495, 801806), (4990, 400903)]