81907000

素因数分解:

$2^3\times 5^3\times 7^1\times {\mathrm{11701}}^1$

素因数の和:11729

約数の個数: 64

約数和(自身を含む): 219061440

約数和(自身を除く): 137154440

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 25, 28, 35, 40, 50, 56, 70, 100, 125, 140, 175, 200, 250, 280, 350, 500, 700, 875, 1000, 1400, 1750, 3500, 7000, 11701, 23402, 46804, 58505, 81907, 93608, 117010, 163814, 234020, 292525, 327628, 409535, 468040, 585050, 655256, 819070, 1170100, 1462625, 1638140, 2047675, 2340200, 2925250, 3276280, 4095350, 5850500, 8190700, 10238375, 11701000, 16381400, 20476750, 40953500, 81907000]

約数ペア:

[(1, 81907000), (2, 40953500), (4, 20476750), (5, 16381400), (7, 11701000), (8, 10238375), (10, 8190700), (14, 5850500), (20, 4095350), (25, 3276280), (28, 2925250), (35, 2340200), (40, 2047675), (50, 1638140), (56, 1462625), (70, 1170100), (100, 819070), (125, 655256), (140, 585050), (175, 468040), (200, 409535), (250, 327628), (280, 292525), (350, 234020), (500, 163814), (700, 117010), (875, 93608), (1000, 81907), (1400, 58505), (1750, 46804), (3500, 23402), (7000, 11701)]