28002200

素因数分解:

$2^3\times 5^2\times {\mathrm{19}}^1\times {\mathrm{7369}}^1$

素因数の和:7404

約数の個数: 48

約数和(自身を含む): 68541000

約数和(自身を除く): 40538800

約数列:

[1, 2, 4, 5, 8, 10, 19, 20, 25, 38, 40, 50, 76, 95, 100, 152, 190, 200, 380, 475, 760, 950, 1900, 3800, 7369, 14738, 29476, 36845, 58952, 73690, 140011, 147380, 184225, 280022, 294760, 368450, 560044, 700055, 736900, 1120088, 1400110, 1473800, 2800220, 3500275, 5600440, 7000550, 14001100, 28002200]

約数ペア:

[(1, 28002200), (2, 14001100), (4, 7000550), (5, 5600440), (8, 3500275), (10, 2800220), (19, 1473800), (20, 1400110), (25, 1120088), (38, 736900), (40, 700055), (50, 560044), (76, 368450), (95, 294760), (100, 280022), (152, 184225), (190, 147380), (200, 140011), (380, 73690), (475, 58952), (760, 36845), (950, 29476), (1900, 14738), (3800, 7369)]