61267220

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{499}}^1\times {\mathrm{877}}^1$

素因数の和:1392

約数の個数: 48

約数和(自身を含む): 147504000

約数和(自身を除く): 86236780

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 499, 877, 998, 1754, 1996, 2495, 3493, 3508, 4385, 4990, 6139, 6986, 8770, 9980, 12278, 13972, 17465, 17540, 24556, 30695, 34930, 61390, 69860, 122780, 437623, 875246, 1750492, 2188115, 3063361, 4376230, 6126722, 8752460, 12253444, 15316805, 30633610, 61267220]

約数ペア:

[(1, 61267220), (2, 30633610), (4, 15316805), (5, 12253444), (7, 8752460), (10, 6126722), (14, 4376230), (20, 3063361), (28, 2188115), (35, 1750492), (70, 875246), (140, 437623), (499, 122780), (877, 69860), (998, 61390), (1754, 34930), (1996, 30695), (2495, 24556), (3493, 17540), (3508, 17465), (4385, 13972), (4990, 12278), (6139, 9980), (6986, 8770)]