28146860

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{201049}}^1$

素因数の和:201065

約数の個数: 24

約数和(自身を含む): 67552800

約数和(自身を除く): 39405940

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 201049, 402098, 804196, 1005245, 1407343, 2010490, 2814686, 4020980, 5629372, 7036715, 14073430, 28146860]

約数ペア:

[(1, 28146860), (2, 14073430), (4, 7036715), (5, 5629372), (7, 4020980), (10, 2814686), (14, 2010490), (20, 1407343), (28, 1005245), (35, 804196), (70, 402098), (140, 201049)]