159786700

素因数分解:

$2^2\times 5^2\times {\mathrm{197}}^1\times {\mathrm{8111}}^1$

素因数の和:8322

約数の個数: 36

約数和(自身を含む): 348540192

約数和(自身を除く): 188753492

約数列:

[1, 2, 4, 5, 10, 20, 25, 50, 100, 197, 394, 788, 985, 1970, 3940, 4925, 8111, 9850, 16222, 19700, 32444, 40555, 81110, 162220, 202775, 405550, 811100, 1597867, 3195734, 6391468, 7989335, 15978670, 31957340, 39946675, 79893350, 159786700]

約数ペア:

[(1, 159786700), (2, 79893350), (4, 39946675), (5, 31957340), (10, 15978670), (20, 7989335), (25, 6391468), (50, 3195734), (100, 1597867), (197, 811100), (394, 405550), (788, 202775), (985, 162220), (1970, 81110), (3940, 40555), (4925, 32444), (8111, 19700), (9850, 16222)]