19720750

素因数分解:

$2^1\times 5^3\times 7^1\times {\mathrm{59}}^1\times {\mathrm{191}}^1$

素因数の和:274

約数の個数: 64

約数和(自身を含む): 43130880

約数和(自身を除く): 23410130

約数列:

[1, 2, 5, 7, 10, 14, 25, 35, 50, 59, 70, 118, 125, 175, 191, 250, 295, 350, 382, 413, 590, 826, 875, 955, 1337, 1475, 1750, 1910, 2065, 2674, 2950, 4130, 4775, 6685, 7375, 9550, 10325, 11269, 13370, 14750, 20650, 22538, 23875, 33425, 47750, 51625, 56345, 66850, 78883, 103250, 112690, 157766, 167125, 281725, 334250, 394415, 563450, 788830, 1408625, 1972075, 2817250, 3944150, 9860375, 19720750]

約数ペア:

[(1, 19720750), (2, 9860375), (5, 3944150), (7, 2817250), (10, 1972075), (14, 1408625), (25, 788830), (35, 563450), (50, 394415), (59, 334250), (70, 281725), (118, 167125), (125, 157766), (175, 112690), (191, 103250), (250, 78883), (295, 66850), (350, 56345), (382, 51625), (413, 47750), (590, 33425), (826, 23875), (875, 22538), (955, 20650), (1337, 14750), (1475, 13370), (1750, 11269), (1910, 10325), (2065, 9550), (2674, 7375), (2950, 6685), (4130, 4775)]