1978700

素因数分解:

$2^2\times 5^2\times {\mathrm{47}}^1\times {\mathrm{421}}^1$

素因数の和:482

約数の個数: 36

約数和(自身を含む): 4395552

約数和(自身を除く): 2416852

約数列:

[1, 2, 4, 5, 10, 20, 25, 47, 50, 94, 100, 188, 235, 421, 470, 842, 940, 1175, 1684, 2105, 2350, 4210, 4700, 8420, 10525, 19787, 21050, 39574, 42100, 79148, 98935, 197870, 395740, 494675, 989350, 1978700]

約数ペア:

[(1, 1978700), (2, 989350), (4, 494675), (5, 395740), (10, 197870), (20, 98935), (25, 79148), (47, 42100), (50, 39574), (94, 21050), (100, 19787), (188, 10525), (235, 8420), (421, 4700), (470, 4210), (842, 2350), (940, 2105), (1175, 1684)]