2107900

素因数分解:

$2^2\times 5^2\times {\mathrm{107}}^1\times {\mathrm{197}}^1$

素因数の和:318

約数の個数: 36

約数和(自身を含む): 4640328

約数和(自身を除く): 2532428

約数列:

[1, 2, 4, 5, 10, 20, 25, 50, 100, 107, 197, 214, 394, 428, 535, 788, 985, 1070, 1970, 2140, 2675, 3940, 4925, 5350, 9850, 10700, 19700, 21079, 42158, 84316, 105395, 210790, 421580, 526975, 1053950, 2107900]

約数ペア:

[(1, 2107900), (2, 1053950), (4, 526975), (5, 421580), (10, 210790), (20, 105395), (25, 84316), (50, 42158), (100, 21079), (107, 19700), (197, 10700), (214, 9850), (394, 5350), (428, 4925), (535, 3940), (788, 2675), (985, 2140), (1070, 1970)]