3942820

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{28163}}^1$

素因数の和:28179

約数の個数: 24

約数和(自身を含む): 9463104

約数和(自身を除く): 5520284

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 28163, 56326, 112652, 140815, 197141, 281630, 394282, 563260, 788564, 985705, 1971410, 3942820]

約数ペア:

[(1, 3942820), (2, 1971410), (4, 985705), (5, 788564), (7, 563260), (10, 394282), (14, 281630), (20, 197141), (28, 140815), (35, 112652), (70, 56326), (140, 28163)]