1440500

素因数分解:

$2^2\times 5^3\times {\mathrm{43}}^1\times {\mathrm{67}}^1$

素因数の和:129

約数の個数: 48

約数和(自身を含む): 3267264

約数和(自身を除く): 1826764

約数列:

[1, 2, 4, 5, 10, 20, 25, 43, 50, 67, 86, 100, 125, 134, 172, 215, 250, 268, 335, 430, 500, 670, 860, 1075, 1340, 1675, 2150, 2881, 3350, 4300, 5375, 5762, 6700, 8375, 10750, 11524, 14405, 16750, 21500, 28810, 33500, 57620, 72025, 144050, 288100, 360125, 720250, 1440500]

約数ペア:

[(1, 1440500), (2, 720250), (4, 360125), (5, 288100), (10, 144050), (20, 72025), (25, 57620), (43, 33500), (50, 28810), (67, 21500), (86, 16750), (100, 14405), (125, 11524), (134, 10750), (172, 8375), (215, 6700), (250, 5762), (268, 5375), (335, 4300), (430, 3350), (500, 2881), (670, 2150), (860, 1675), (1075, 1340)]