28855400

素因数分解:

$2^3\times 5^2\times 7^1\times {\mathrm{20611}}^1$

素因数の和:20634

約数の個数: 48

約数和(自身を含む): 76676640

約数和(自身を除く): 47821240

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 25, 28, 35, 40, 50, 56, 70, 100, 140, 175, 200, 280, 350, 700, 1400, 20611, 41222, 82444, 103055, 144277, 164888, 206110, 288554, 412220, 515275, 577108, 721385, 824440, 1030550, 1154216, 1442770, 2061100, 2885540, 3606925, 4122200, 5771080, 7213850, 14427700, 28855400]

約数ペア:

[(1, 28855400), (2, 14427700), (4, 7213850), (5, 5771080), (7, 4122200), (8, 3606925), (10, 2885540), (14, 2061100), (20, 1442770), (25, 1154216), (28, 1030550), (35, 824440), (40, 721385), (50, 577108), (56, 515275), (70, 412220), (100, 288554), (140, 206110), (175, 164888), (200, 144277), (280, 103055), (350, 82444), (700, 41222), (1400, 20611)]