13388900

素因数分解:

$2^2\times 5^2\times 7^1\times {\mathrm{31}}^1\times {\mathrm{617}}^1$

素因数の和:669

約数の個数: 72

約数和(自身を含む): 34331136

約数和(自身を除く): 20942236

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 25, 28, 31, 35, 50, 62, 70, 100, 124, 140, 155, 175, 217, 310, 350, 434, 617, 620, 700, 775, 868, 1085, 1234, 1550, 2170, 2468, 3085, 3100, 4319, 4340, 5425, 6170, 8638, 10850, 12340, 15425, 17276, 19127, 21595, 21700, 30850, 38254, 43190, 61700, 76508, 86380, 95635, 107975, 133889, 191270, 215950, 267778, 382540, 431900, 478175, 535556, 669445, 956350, 1338890, 1912700, 2677780, 3347225, 6694450, 13388900]

約数ペア:

[(1, 13388900), (2, 6694450), (4, 3347225), (5, 2677780), (7, 1912700), (10, 1338890), (14, 956350), (20, 669445), (25, 535556), (28, 478175), (31, 431900), (35, 382540), (50, 267778), (62, 215950), (70, 191270), (100, 133889), (124, 107975), (140, 95635), (155, 86380), (175, 76508), (217, 61700), (310, 43190), (350, 38254), (434, 30850), (617, 21700), (620, 21595), (700, 19127), (775, 17276), (868, 15425), (1085, 12340), (1234, 10850), (1550, 8638), (2170, 6170), (2468, 5425), (3085, 4340), (3100, 4319)]