12154900

素因数分解:

$2^2\times 5^2\times {\mathrm{197}}^1\times {\mathrm{617}}^1$

素因数の和:828

約数の個数: 36

約数和(自身を含む): 26552988

約数和(自身を除く): 14398088

約数列:

[1, 2, 4, 5, 10, 20, 25, 50, 100, 197, 394, 617, 788, 985, 1234, 1970, 2468, 3085, 3940, 4925, 6170, 9850, 12340, 15425, 19700, 30850, 61700, 121549, 243098, 486196, 607745, 1215490, 2430980, 3038725, 6077450, 12154900]

約数ペア:

[(1, 12154900), (2, 6077450), (4, 3038725), (5, 2430980), (10, 1215490), (20, 607745), (25, 486196), (50, 243098), (100, 121549), (197, 61700), (394, 30850), (617, 19700), (788, 15425), (985, 12340), (1234, 9850), (1970, 6170), (2468, 4925), (3085, 3940)]