68812100

素因数分解:

$2^2\times 5^2\times 7^1\times {\mathrm{197}}^1\times {\mathrm{499}}^1$

素因数の和:717

約数の個数: 72

約数和(自身を含む): 171864000

約数和(自身を除く): 103051900

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 25, 28, 35, 50, 70, 100, 140, 175, 197, 350, 394, 499, 700, 788, 985, 998, 1379, 1970, 1996, 2495, 2758, 3493, 3940, 4925, 4990, 5516, 6895, 6986, 9850, 9980, 12475, 13790, 13972, 17465, 19700, 24950, 27580, 34475, 34930, 49900, 68950, 69860, 87325, 98303, 137900, 174650, 196606, 349300, 393212, 491515, 688121, 983030, 1376242, 1966060, 2457575, 2752484, 3440605, 4915150, 6881210, 9830300, 13762420, 17203025, 34406050, 68812100]

約数ペア:

[(1, 68812100), (2, 34406050), (4, 17203025), (5, 13762420), (7, 9830300), (10, 6881210), (14, 4915150), (20, 3440605), (25, 2752484), (28, 2457575), (35, 1966060), (50, 1376242), (70, 983030), (100, 688121), (140, 491515), (175, 393212), (197, 349300), (350, 196606), (394, 174650), (499, 137900), (700, 98303), (788, 87325), (985, 69860), (998, 68950), (1379, 49900), (1970, 34930), (1996, 34475), (2495, 27580), (2758, 24950), (3493, 19700), (3940, 17465), (4925, 13972), (4990, 13790), (5516, 12475), (6895, 9980), (6986, 9850)]