2492980

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{17807}}^1$

素因数の和:17823

約数の個数: 24

約数和(自身を含む): 5983488

約数和(自身を除く): 3490508

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 17807, 35614, 71228, 89035, 124649, 178070, 249298, 356140, 498596, 623245, 1246490, 2492980]

約数ペア:

[(1, 2492980), (2, 1246490), (4, 623245), (5, 498596), (7, 356140), (10, 249298), (14, 178070), (20, 124649), (28, 89035), (35, 71228), (70, 35614), (140, 17807)]