2842175

素因数分解:

$5^2\times 7^1\times {\mathrm{109}}^1\times {\mathrm{149}}^1$

素因数の和:275

約数の個数: 24

約数和(自身を含む): 4092000

約数和(自身を除く): 1249825

約数列:

[1, 5, 7, 25, 35, 109, 149, 175, 545, 745, 763, 1043, 2725, 3725, 3815, 5215, 16241, 19075, 26075, 81205, 113687, 406025, 568435, 2842175]

約数ペア:

[(1, 2842175), (5, 568435), (7, 406025), (25, 113687), (35, 81205), (109, 26075), (149, 19075), (175, 16241), (545, 5215), (745, 3815), (763, 3725), (1043, 2725)]