28409500

素因数分解:

$2^2\times 5^3\times 7^1\times {\mathrm{8117}}^1$

素因数の和:8143

約数の個数: 48

約数和(自身を含む): 70918848

約数和(自身を除く): 42509348

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 25, 28, 35, 50, 70, 100, 125, 140, 175, 250, 350, 500, 700, 875, 1750, 3500, 8117, 16234, 32468, 40585, 56819, 81170, 113638, 162340, 202925, 227276, 284095, 405850, 568190, 811700, 1014625, 1136380, 1420475, 2029250, 2840950, 4058500, 5681900, 7102375, 14204750, 28409500]

約数ペア:

[(1, 28409500), (2, 14204750), (4, 7102375), (5, 5681900), (7, 4058500), (10, 2840950), (14, 2029250), (20, 1420475), (25, 1136380), (28, 1014625), (35, 811700), (50, 568190), (70, 405850), (100, 284095), (125, 227276), (140, 202925), (175, 162340), (250, 113638), (350, 81170), (500, 56819), (700, 40585), (875, 32468), (1750, 16234), (3500, 8117)]