1207900

素因数分解:

$2^2\times 5^2\times {\mathrm{47}}^1\times {\mathrm{257}}^1$

素因数の和:318

約数の個数: 36

約数和(自身を含む): 2687328

約数和(自身を除く): 1479428

約数列:

[1, 2, 4, 5, 10, 20, 25, 47, 50, 94, 100, 188, 235, 257, 470, 514, 940, 1028, 1175, 1285, 2350, 2570, 4700, 5140, 6425, 12079, 12850, 24158, 25700, 48316, 60395, 120790, 241580, 301975, 603950, 1207900]

約数ペア:

[(1, 1207900), (2, 603950), (4, 301975), (5, 241580), (10, 120790), (20, 60395), (25, 48316), (47, 25700), (50, 24158), (94, 12850), (100, 12079), (188, 6425), (235, 5140), (257, 4700), (470, 2570), (514, 2350), (940, 1285), (1028, 1175)]