81210500

素因数分解:

$2^2\times 5^3\times 7^1\times {\mathrm{23203}}^1$

素因数の和:23229

約数の個数: 48

約数和(自身を含む): 202710144

約数和(自身を除く): 121499644

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, 23203, 46406, 92812, 116015, 162421, 232030, 324842, 464060, 580075, 649684, 812105, 1160150, 1624210, 2320300, 2900375, 3248420, 4060525, 5800750, 8121050, 11601500, 16242100, 20302625, 40605250, 81210500]

約数ペア:

[(1, 81210500), (2, 40605250), (4, 20302625), (5, 16242100), (7, 11601500), (10, 8121050), (14, 5800750), (20, 4060525), (25, 3248420), (28, 2900375), (35, 2320300), (50, 1624210), (70, 1160150), (100, 812105), (125, 649684), (140, 580075), (175, 464060), (250, 324842), (350, 232030), (500, 162421), (700, 116015), (875, 92812), (1750, 46406), (3500, 23203)]