31384780

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{224177}}^1$

素因数の和:224193

約数の個数: 24

約数和(自身を含む): 75323808

約数和(自身を除く): 43939028

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 224177, 448354, 896708, 1120885, 1569239, 2241770, 3138478, 4483540, 6276956, 7846195, 15692390, 31384780]

約数ペア:

[(1, 31384780), (2, 15692390), (4, 7846195), (5, 6276956), (7, 4483540), (10, 3138478), (14, 2241770), (20, 1569239), (28, 1120885), (35, 896708), (70, 448354), (140, 224177)]