2159500

素因数分解:

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

素因数の和:643

約数の個数: 48

約数和(自身を含む): 5398848

約数和(自身を除く): 3239348

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 25, 28, 35, 50, 70, 100, 125, 140, 175, 250, 350, 500, 617, 700, 875, 1234, 1750, 2468, 3085, 3500, 4319, 6170, 8638, 12340, 15425, 17276, 21595, 30850, 43190, 61700, 77125, 86380, 107975, 154250, 215950, 308500, 431900, 539875, 1079750, 2159500]

約数ペア:

[(1, 2159500), (2, 1079750), (4, 539875), (5, 431900), (7, 308500), (10, 215950), (14, 154250), (20, 107975), (25, 86380), (28, 77125), (35, 61700), (50, 43190), (70, 30850), (100, 21595), (125, 17276), (140, 15425), (175, 12340), (250, 8638), (350, 6170), (500, 4319), (617, 3500), (700, 3085), (875, 2468), (1234, 1750)]