4200

素因数分解:

$2^3\times 3^1\times 5^2\times 7^1$

素因数の和:26

約数の個数: 48

約数和(自身を含む): 14880

約数和(自身を除く): 10680

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 20, 21, 24, 25, 28, 30, 35, 40, 42, 50, 56, 60, 70, 75, 84, 100, 105, 120, 140, 150, 168, 175, 200, 210, 280, 300, 350, 420, 525, 600, 700, 840, 1050, 1400, 2100, 4200]

約数ペア:

[(1, 4200), (2, 2100), (3, 1400), (4, 1050), (5, 840), (6, 700), (7, 600), (8, 525), (10, 420), (12, 350), (14, 300), (15, 280), (20, 210), (21, 200), (24, 175), (25, 168), (28, 150), (30, 140), (35, 120), (40, 105), (42, 100), (50, 84), (56, 75), (60, 70)]