138439140

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{329617}}^1$

素因数の和:329636

約数の個数: 48

約数和(自身を含む): 443006592

約数和(自身を除く): 304567452

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 20, 21, 28, 30, 35, 42, 60, 70, 84, 105, 140, 210, 420, 329617, 659234, 988851, 1318468, 1648085, 1977702, 2307319, 3296170, 3955404, 4614638, 4944255, 6592340, 6921957, 9229276, 9888510, 11536595, 13843914, 19777020, 23073190, 27687828, 34609785, 46146380, 69219570, 138439140]

約数ペア:

[(1, 138439140), (2, 69219570), (3, 46146380), (4, 34609785), (5, 27687828), (6, 23073190), (7, 19777020), (10, 13843914), (12, 11536595), (14, 9888510), (15, 9229276), (20, 6921957), (21, 6592340), (28, 4944255), (30, 4614638), (35, 3955404), (42, 3296170), (60, 2307319), (70, 1977702), (84, 1648085), (105, 1318468), (140, 988851), (210, 659234), (420, 329617)]