2782100

素因数分解:

$2^2\times 5^2\times {\mathrm{43}}^1\times {\mathrm{647}}^1$

素因数の和:704

約数の個数: 36

約数和(自身を含む): 6187104

約数和(自身を除く): 3405004

約数列:

[1, 2, 4, 5, 10, 20, 25, 43, 50, 86, 100, 172, 215, 430, 647, 860, 1075, 1294, 2150, 2588, 3235, 4300, 6470, 12940, 16175, 27821, 32350, 55642, 64700, 111284, 139105, 278210, 556420, 695525, 1391050, 2782100]

約数ペア:

[(1, 2782100), (2, 1391050), (4, 695525), (5, 556420), (10, 278210), (20, 139105), (25, 111284), (43, 64700), (50, 55642), (86, 32350), (100, 27821), (172, 16175), (215, 12940), (430, 6470), (647, 4300), (860, 3235), (1075, 2588), (1294, 2150)]