65198980

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{42337}}^1$

素因数の和:42364

約数の個数: 48

約数和(自身を含む): 170706816

約数和(自身を除く): 105507836

約数列:

[1, 2, 4, 5, 7, 10, 11, 14, 20, 22, 28, 35, 44, 55, 70, 77, 110, 140, 154, 220, 308, 385, 770, 1540, 42337, 84674, 169348, 211685, 296359, 423370, 465707, 592718, 846740, 931414, 1185436, 1481795, 1862828, 2328535, 2963590, 3259949, 4657070, 5927180, 6519898, 9314140, 13039796, 16299745, 32599490, 65198980]

約数ペア:

[(1, 65198980), (2, 32599490), (4, 16299745), (5, 13039796), (7, 9314140), (10, 6519898), (11, 5927180), (14, 4657070), (20, 3259949), (22, 2963590), (28, 2328535), (35, 1862828), (44, 1481795), (55, 1185436), (70, 931414), (77, 846740), (110, 592718), (140, 465707), (154, 423370), (220, 296359), (308, 211685), (385, 169348), (770, 84674), (1540, 42337)]