199384780

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{1424177}}^1$

素因数の和:1424193

約数の個数: 24

約数和(自身を含む): 478523808

約数和(自身を除く): 279139028

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 1424177, 2848354, 5696708, 7120885, 9969239, 14241770, 19938478, 28483540, 39876956, 49846195, 99692390, 199384780]

約数ペア:

[(1, 199384780), (2, 99692390), (4, 49846195), (5, 39876956), (7, 28483540), (10, 19938478), (14, 14241770), (20, 9969239), (28, 7120885), (35, 5696708), (70, 2848354), (140, 1424177)]