81319000

素因数分解:

$2^3\times 5^3\times 7^1\times {\mathrm{11617}}^1$

素因数の和:11645

約数の個数: 64

約数和(自身を含む): 217488960

約数和(自身を除く): 136169960

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, 11617, 23234, 46468, 58085, 81319, 92936, 116170, 162638, 232340, 290425, 325276, 406595, 464680, 580850, 650552, 813190, 1161700, 1452125, 1626380, 2032975, 2323400, 2904250, 3252760, 4065950, 5808500, 8131900, 10164875, 11617000, 16263800, 20329750, 40659500, 81319000]

約数ペア:

[(1, 81319000), (2, 40659500), (4, 20329750), (5, 16263800), (7, 11617000), (8, 10164875), (10, 8131900), (14, 5808500), (20, 4065950), (25, 3252760), (28, 2904250), (35, 2323400), (40, 2032975), (50, 1626380), (56, 1452125), (70, 1161700), (100, 813190), (125, 650552), (140, 580850), (175, 464680), (200, 406595), (250, 325276), (280, 290425), (350, 232340), (500, 162638), (700, 116170), (875, 92936), (1000, 81319), (1400, 58085), (1750, 46468), (3500, 23234), (7000, 11617)]