13721050

素因数分解:

$2^1\times 5^2\times 7^1\times {\mathrm{197}}^1\times {\mathrm{199}}^1$

素因数の和:415

約数の個数: 48

約数和(自身を含む): 29462400

約数和(自身を除く): 15741350

約数列:

[1, 2, 5, 7, 10, 14, 25, 35, 50, 70, 175, 197, 199, 350, 394, 398, 985, 995, 1379, 1393, 1970, 1990, 2758, 2786, 4925, 4975, 6895, 6965, 9850, 9950, 13790, 13930, 34475, 34825, 39203, 68950, 69650, 78406, 196015, 274421, 392030, 548842, 980075, 1372105, 1960150, 2744210, 6860525, 13721050]

約数ペア:

[(1, 13721050), (2, 6860525), (5, 2744210), (7, 1960150), (10, 1372105), (14, 980075), (25, 548842), (35, 392030), (50, 274421), (70, 196015), (175, 78406), (197, 69650), (199, 68950), (350, 39203), (394, 34825), (398, 34475), (985, 13930), (995, 13790), (1379, 9950), (1393, 9850), (1970, 6965), (1990, 6895), (2758, 4975), (2786, 4925)]