19712100

素因数分解:

$2^2\times 3^1\times 5^2\times {\mathrm{65707}}^1$

素因数の和:65724

約数の個数: 36

約数和(自身を含む): 57034544

約数和(自身を除く): 37322444

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 25, 30, 50, 60, 75, 100, 150, 300, 65707, 131414, 197121, 262828, 328535, 394242, 657070, 788484, 985605, 1314140, 1642675, 1971210, 3285350, 3942420, 4928025, 6570700, 9856050, 19712100]

約数ペア:

[(1, 19712100), (2, 9856050), (3, 6570700), (4, 4928025), (5, 3942420), (6, 3285350), (10, 1971210), (12, 1642675), (15, 1314140), (20, 985605), (25, 788484), (30, 657070), (50, 394242), (60, 328535), (75, 262828), (100, 197121), (150, 131414), (300, 65707)]