131789980

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{761}}^1\times {\mathrm{1237}}^1$

素因数の和:2014

約数の個数: 48

約数和(自身を含む): 316967616

約数和(自身を除く): 185177636

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 761, 1237, 1522, 2474, 3044, 3805, 4948, 5327, 6185, 7610, 8659, 10654, 12370, 15220, 17318, 21308, 24740, 26635, 34636, 43295, 53270, 86590, 106540, 173180, 941357, 1882714, 3765428, 4706785, 6589499, 9413570, 13178998, 18827140, 26357996, 32947495, 65894990, 131789980]

約数ペア:

[(1, 131789980), (2, 65894990), (4, 32947495), (5, 26357996), (7, 18827140), (10, 13178998), (14, 9413570), (20, 6589499), (28, 4706785), (35, 3765428), (70, 1882714), (140, 941357), (761, 173180), (1237, 106540), (1522, 86590), (2474, 53270), (3044, 43295), (3805, 34636), (4948, 26635), (5327, 24740), (6185, 21308), (7610, 17318), (8659, 15220), (10654, 12370)]