219627400

素因数分解:

$2^3\times 5^2\times {\mathrm{97}}^1\times {\mathrm{11321}}^1$

素因数の和:11434

約数の個数: 48

約数和(自身を含む): 515943540

約数和(自身を除く): 296316140

約数列:

[1, 2, 4, 5, 8, 10, 20, 25, 40, 50, 97, 100, 194, 200, 388, 485, 776, 970, 1940, 2425, 3880, 4850, 9700, 11321, 19400, 22642, 45284, 56605, 90568, 113210, 226420, 283025, 452840, 566050, 1098137, 1132100, 2196274, 2264200, 4392548, 5490685, 8785096, 10981370, 21962740, 27453425, 43925480, 54906850, 109813700, 219627400]

約数ペア:

[(1, 219627400), (2, 109813700), (4, 54906850), (5, 43925480), (8, 27453425), (10, 21962740), (20, 10981370), (25, 8785096), (40, 5490685), (50, 4392548), (97, 2264200), (100, 2196274), (194, 1132100), (200, 1098137), (388, 566050), (485, 452840), (776, 283025), (970, 226420), (1940, 113210), (2425, 90568), (3880, 56605), (4850, 45284), (9700, 22642), (11321, 19400)]