6427700

素因数分解:

$2^2\times 5^2\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{199}}^1$

素因数の和:249

約数の個数: 72

約数和(自身を含む): 15624000

約数和(自身を除く): 9196300

約数列:

[1, 2, 4, 5, 10, 17, 19, 20, 25, 34, 38, 50, 68, 76, 85, 95, 100, 170, 190, 199, 323, 340, 380, 398, 425, 475, 646, 796, 850, 950, 995, 1292, 1615, 1700, 1900, 1990, 3230, 3383, 3781, 3980, 4975, 6460, 6766, 7562, 8075, 9950, 13532, 15124, 16150, 16915, 18905, 19900, 32300, 33830, 37810, 64277, 67660, 75620, 84575, 94525, 128554, 169150, 189050, 257108, 321385, 338300, 378100, 642770, 1285540, 1606925, 3213850, 6427700]

約数ペア:

[(1, 6427700), (2, 3213850), (4, 1606925), (5, 1285540), (10, 642770), (17, 378100), (19, 338300), (20, 321385), (25, 257108), (34, 189050), (38, 169150), (50, 128554), (68, 94525), (76, 84575), (85, 75620), (95, 67660), (100, 64277), (170, 37810), (190, 33830), (199, 32300), (323, 19900), (340, 18905), (380, 16915), (398, 16150), (425, 15124), (475, 13532), (646, 9950), (796, 8075), (850, 7562), (950, 6766), (995, 6460), (1292, 4975), (1615, 3980), (1700, 3781), (1900, 3383), (1990, 3230)]