276615640

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{987913}}^1$

素因数の和:987931

約数の個数: 32

約数和(自身を含む): 711298080

約数和(自身を除く): 434682440

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 140, 280, 987913, 1975826, 3951652, 4939565, 6915391, 7903304, 9879130, 13830782, 19758260, 27661564, 34576955, 39516520, 55323128, 69153910, 138307820, 276615640]

約数ペア:

[(1, 276615640), (2, 138307820), (4, 69153910), (5, 55323128), (7, 39516520), (8, 34576955), (10, 27661564), (14, 19758260), (20, 13830782), (28, 9879130), (35, 7903304), (40, 6915391), (56, 4939565), (70, 3951652), (140, 1975826), (280, 987913)]