2021950

素因数分解:

$2^1\times 5^2\times 7^1\times {\mathrm{53}}^1\times {\mathrm{109}}^1$

素因数の和:181

約数の個数: 48

約数和(自身を含む): 4419360

約数和(自身を除く): 2397410

約数列:

[1, 2, 5, 7, 10, 14, 25, 35, 50, 53, 70, 106, 109, 175, 218, 265, 350, 371, 530, 545, 742, 763, 1090, 1325, 1526, 1855, 2650, 2725, 3710, 3815, 5450, 5777, 7630, 9275, 11554, 18550, 19075, 28885, 38150, 40439, 57770, 80878, 144425, 202195, 288850, 404390, 1010975, 2021950]

約数ペア:

[(1, 2021950), (2, 1010975), (5, 404390), (7, 288850), (10, 202195), (14, 144425), (25, 80878), (35, 57770), (50, 40439), (53, 38150), (70, 28885), (106, 19075), (109, 18550), (175, 11554), (218, 9275), (265, 7630), (350, 5777), (371, 5450), (530, 3815), (545, 3710), (742, 2725), (763, 2650), (1090, 1855), (1325, 1526)]