1995400

素因数分解:

$2^3\times 5^2\times {\mathrm{11}}^1\times {\mathrm{907}}^1$

素因数の和:934

約数の個数: 48

約数和(自身を含む): 5066640

約数和(自身を除く): 3071240

約数列:

[1, 2, 4, 5, 8, 10, 11, 20, 22, 25, 40, 44, 50, 55, 88, 100, 110, 200, 220, 275, 440, 550, 907, 1100, 1814, 2200, 3628, 4535, 7256, 9070, 9977, 18140, 19954, 22675, 36280, 39908, 45350, 49885, 79816, 90700, 99770, 181400, 199540, 249425, 399080, 498850, 997700, 1995400]

約数ペア:

[(1, 1995400), (2, 997700), (4, 498850), (5, 399080), (8, 249425), (10, 199540), (11, 181400), (20, 99770), (22, 90700), (25, 79816), (40, 49885), (44, 45350), (50, 39908), (55, 36280), (88, 22675), (100, 19954), (110, 18140), (200, 9977), (220, 9070), (275, 7256), (440, 4535), (550, 3628), (907, 2200), (1100, 1814)]