71303030

素因数分解:

$2^1\times 5^1\times {\mathrm{43}}^1\times {\mathrm{79}}^1\times {\mathrm{2099}}^1$

素因数の和:2228

約数の個数: 32

約数和(自身を含む): 133056000

約数和(自身を除く): 61752970

約数列:

[1, 2, 5, 10, 43, 79, 86, 158, 215, 395, 430, 790, 2099, 3397, 4198, 6794, 10495, 16985, 20990, 33970, 90257, 165821, 180514, 331642, 451285, 829105, 902570, 1658210, 7130303, 14260606, 35651515, 71303030]

約数ペア:

[(1, 71303030), (2, 35651515), (5, 14260606), (10, 7130303), (43, 1658210), (79, 902570), (86, 829105), (158, 451285), (215, 331642), (395, 180514), (430, 165821), (790, 90257), (2099, 33970), (3397, 20990), (4198, 16985), (6794, 10495)]