13213900

素因数分解:

$2^2\times 5^2\times 7^1\times {\mathrm{43}}^1\times {\mathrm{439}}^1$

素因数の和:503

約数の個数: 72

約数和(自身を含む): 33608960

約数和(自身を除く): 20395060

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 25, 28, 35, 43, 50, 70, 86, 100, 140, 172, 175, 215, 301, 350, 430, 439, 602, 700, 860, 878, 1075, 1204, 1505, 1756, 2150, 2195, 3010, 3073, 4300, 4390, 6020, 6146, 7525, 8780, 10975, 12292, 15050, 15365, 18877, 21950, 30100, 30730, 37754, 43900, 61460, 75508, 76825, 94385, 132139, 153650, 188770, 264278, 307300, 377540, 471925, 528556, 660695, 943850, 1321390, 1887700, 2642780, 3303475, 6606950, 13213900]

約数ペア:

[(1, 13213900), (2, 6606950), (4, 3303475), (5, 2642780), (7, 1887700), (10, 1321390), (14, 943850), (20, 660695), (25, 528556), (28, 471925), (35, 377540), (43, 307300), (50, 264278), (70, 188770), (86, 153650), (100, 132139), (140, 94385), (172, 76825), (175, 75508), (215, 61460), (301, 43900), (350, 37754), (430, 30730), (439, 30100), (602, 21950), (700, 18877), (860, 15365), (878, 15050), (1075, 12292), (1204, 10975), (1505, 8780), (1756, 7525), (2150, 6146), (2195, 6020), (3010, 4390), (3073, 4300)]