2100081800

素因数分解:

$2^3\times 5^2\times {\mathrm{1657}}^1\times {\mathrm{6337}}^1$

素因数の和:8010

約数の個数: 48

約数和(自身を含む): 4886407860

約数和(自身を除く): 2786326060

約数列:

[1, 2, 4, 5, 8, 10, 20, 25, 40, 50, 100, 200, 1657, 3314, 6337, 6628, 8285, 12674, 13256, 16570, 25348, 31685, 33140, 41425, 50696, 63370, 66280, 82850, 126740, 158425, 165700, 253480, 316850, 331400, 633700, 1267400, 10500409, 21000818, 42001636, 52502045, 84003272, 105004090, 210008180, 262510225, 420016360, 525020450, 1050040900, 2100081800]

約数ペア:

[(1, 2100081800), (2, 1050040900), (4, 525020450), (5, 420016360), (8, 262510225), (10, 210008180), (20, 105004090), (25, 84003272), (40, 52502045), (50, 42001636), (100, 21000818), (200, 10500409), (1657, 1267400), (3314, 633700), (6337, 331400), (6628, 316850), (8285, 253480), (12674, 165700), (13256, 158425), (16570, 126740), (25348, 82850), (31685, 66280), (33140, 63370), (41425, 50696)]