2420900

素因数分解:

$2^2\times 5^2\times {\mathrm{43}}^1\times {\mathrm{563}}^1$

素因数の和:620

約数の個数: 36

約数和(自身を含む): 5385072

約数和(自身を除く): 2964172

約数列:

[1, 2, 4, 5, 10, 20, 25, 43, 50, 86, 100, 172, 215, 430, 563, 860, 1075, 1126, 2150, 2252, 2815, 4300, 5630, 11260, 14075, 24209, 28150, 48418, 56300, 96836, 121045, 242090, 484180, 605225, 1210450, 2420900]

約数ペア:

[(1, 2420900), (2, 1210450), (4, 605225), (5, 484180), (10, 242090), (20, 121045), (25, 96836), (43, 56300), (50, 48418), (86, 28150), (100, 24209), (172, 14075), (215, 11260), (430, 5630), (563, 4300), (860, 2815), (1075, 2252), (1126, 2150)]