139715410

素因数分解:

$2^1\times 5^1\times {\mathrm{509}}^1\times {\mathrm{27449}}^1$

素因数の和:27965

約数の個数: 16

約数和(自身を含む): 251991000

約数和(自身を除く): 112275590

約数列:

[1, 2, 5, 10, 509, 1018, 2545, 5090, 27449, 54898, 137245, 274490, 13971541, 27943082, 69857705, 139715410]

約数ペア:

[(1, 139715410), (2, 69857705), (5, 27943082), (10, 13971541), (509, 274490), (1018, 137245), (2545, 54898), (5090, 27449)]