1521380

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{10867}}^1$

素因数の和:10883

約数の個数: 24

約数和(自身を含む): 3651648

約数和(自身を除く): 2130268

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 10867, 21734, 43468, 54335, 76069, 108670, 152138, 217340, 304276, 380345, 760690, 1521380]

約数ペア:

[(1, 1521380), (2, 760690), (4, 380345), (5, 304276), (7, 217340), (10, 152138), (14, 108670), (20, 76069), (28, 54335), (35, 43468), (70, 21734), (140, 10867)]