12920300

素因数分解:

$2^2\times 5^2\times {\mathrm{47}}^1\times {\mathrm{2749}}^1$

素因数の和:2810

約数の個数: 36

約数和(自身を含む): 28644000

約数和(自身を除く): 15723700

約数列:

[1, 2, 4, 5, 10, 20, 25, 47, 50, 94, 100, 188, 235, 470, 940, 1175, 2350, 2749, 4700, 5498, 10996, 13745, 27490, 54980, 68725, 129203, 137450, 258406, 274900, 516812, 646015, 1292030, 2584060, 3230075, 6460150, 12920300]

約数ペア:

[(1, 12920300), (2, 6460150), (4, 3230075), (5, 2584060), (10, 1292030), (20, 646015), (25, 516812), (47, 274900), (50, 258406), (94, 137450), (100, 129203), (188, 68725), (235, 54980), (470, 27490), (940, 13745), (1175, 10996), (2350, 5498), (2749, 4700)]