2142980

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{15307}}^1$

素因数の和:15323

約数の個数: 24

約数和(自身を含む): 5143488

約数和(自身を除く): 3000508

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 15307, 30614, 61228, 76535, 107149, 153070, 214298, 306140, 428596, 535745, 1071490, 2142980]

約数ペア:

[(1, 2142980), (2, 1071490), (4, 535745), (5, 428596), (7, 306140), (10, 214298), (14, 153070), (20, 107149), (28, 76535), (35, 61228), (70, 30614), (140, 15307)]