139093640

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{496763}}^1$

素因数の和:496781

約数の個数: 32

約数和(自身を含む): 357670080

約数和(自身を除く): 218576440

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 140, 280, 496763, 993526, 1987052, 2483815, 3477341, 3974104, 4967630, 6954682, 9935260, 13909364, 17386705, 19870520, 27818728, 34773410, 69546820, 139093640]

約数ペア:

[(1, 139093640), (2, 69546820), (4, 34773410), (5, 27818728), (7, 19870520), (8, 17386705), (10, 13909364), (14, 9935260), (20, 6954682), (28, 4967630), (35, 3974104), (40, 3477341), (56, 2483815), (70, 1987052), (140, 993526), (280, 496763)]