8638000

素因数分解:

$2^4\times 5^3\times 7^1\times {\mathrm{617}}^1$

素因数の和:647

約数の個数: 80

約数和(自身を含む): 23909184

約数和(自身を除く): 15271184

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 25, 28, 35, 40, 50, 56, 70, 80, 100, 112, 125, 140, 175, 200, 250, 280, 350, 400, 500, 560, 617, 700, 875, 1000, 1234, 1400, 1750, 2000, 2468, 2800, 3085, 3500, 4319, 4936, 6170, 7000, 8638, 9872, 12340, 14000, 15425, 17276, 21595, 24680, 30850, 34552, 43190, 49360, 61700, 69104, 77125, 86380, 107975, 123400, 154250, 172760, 215950, 246800, 308500, 345520, 431900, 539875, 617000, 863800, 1079750, 1234000, 1727600, 2159500, 4319000, 8638000]

約数ペア:

[(1, 8638000), (2, 4319000), (4, 2159500), (5, 1727600), (7, 1234000), (8, 1079750), (10, 863800), (14, 617000), (16, 539875), (20, 431900), (25, 345520), (28, 308500), (35, 246800), (40, 215950), (50, 172760), (56, 154250), (70, 123400), (80, 107975), (100, 86380), (112, 77125), (125, 69104), (140, 61700), (175, 49360), (200, 43190), (250, 34552), (280, 30850), (350, 24680), (400, 21595), (500, 17276), (560, 15425), (617, 14000), (700, 12340), (875, 9872), (1000, 8638), (1234, 7000), (1400, 6170), (1750, 4936), (2000, 4319), (2468, 3500), (2800, 3085)]