2540300

素因数分解:

$2^2\times 5^2\times 7^1\times {\mathrm{19}}^1\times {\mathrm{191}}^1$

素因数の和:231

約数の個数: 72

約数和(自身を含む): 6666240

約数和(自身を除く): 4125940

約数列:

[1, 2, 4, 5, 7, 10, 14, 19, 20, 25, 28, 35, 38, 50, 70, 76, 95, 100, 133, 140, 175, 190, 191, 266, 350, 380, 382, 475, 532, 665, 700, 764, 950, 955, 1330, 1337, 1900, 1910, 2660, 2674, 3325, 3629, 3820, 4775, 5348, 6650, 6685, 7258, 9550, 13300, 13370, 14516, 18145, 19100, 25403, 26740, 33425, 36290, 50806, 66850, 72580, 90725, 101612, 127015, 133700, 181450, 254030, 362900, 508060, 635075, 1270150, 2540300]

約数ペア:

[(1, 2540300), (2, 1270150), (4, 635075), (5, 508060), (7, 362900), (10, 254030), (14, 181450), (19, 133700), (20, 127015), (25, 101612), (28, 90725), (35, 72580), (38, 66850), (50, 50806), (70, 36290), (76, 33425), (95, 26740), (100, 25403), (133, 19100), (140, 18145), (175, 14516), (190, 13370), (191, 13300), (266, 9550), (350, 7258), (380, 6685), (382, 6650), (475, 5348), (532, 4775), (665, 3820), (700, 3629), (764, 3325), (950, 2674), (955, 2660), (1330, 1910), (1337, 1900)]