788140

素因数分解:

$2^2\times 5^1\times {\mathrm{157}}^1\times {\mathrm{251}}^1$

素因数の和:417

約数の個数: 24

約数和(自身を含む): 1672272

約数和(自身を除く): 884132

約数列:

[1, 2, 4, 5, 10, 20, 157, 251, 314, 502, 628, 785, 1004, 1255, 1570, 2510, 3140, 5020, 39407, 78814, 157628, 197035, 394070, 788140]

約数ペア:

[(1, 788140), (2, 394070), (4, 197035), (5, 157628), (10, 78814), (20, 39407), (157, 5020), (251, 3140), (314, 2510), (502, 1570), (628, 1255), (785, 1004)]