53987500

素因数分解:

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

素因数の和:653

約数の個数: 72

約数和(自身を含む): 135178848

約数和(自身を除く): 81191348

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 25, 28, 35, 50, 70, 100, 125, 140, 175, 250, 350, 500, 617, 625, 700, 875, 1234, 1250, 1750, 2468, 2500, 3085, 3125, 3500, 4319, 4375, 6170, 6250, 8638, 8750, 12340, 12500, 15425, 17276, 17500, 21595, 21875, 30850, 43190, 43750, 61700, 77125, 86380, 87500, 107975, 154250, 215950, 308500, 385625, 431900, 539875, 771250, 1079750, 1542500, 1928125, 2159500, 2699375, 3856250, 5398750, 7712500, 10797500, 13496875, 26993750, 53987500]

約数ペア:

[(1, 53987500), (2, 26993750), (4, 13496875), (5, 10797500), (7, 7712500), (10, 5398750), (14, 3856250), (20, 2699375), (25, 2159500), (28, 1928125), (35, 1542500), (50, 1079750), (70, 771250), (100, 539875), (125, 431900), (140, 385625), (175, 308500), (250, 215950), (350, 154250), (500, 107975), (617, 87500), (625, 86380), (700, 77125), (875, 61700), (1234, 43750), (1250, 43190), (1750, 30850), (2468, 21875), (2500, 21595), (3085, 17500), (3125, 17276), (3500, 15425), (4319, 12500), (4375, 12340), (6170, 8750), (6250, 8638)]