17650220

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{139}}^1\times {\mathrm{907}}^1$

素因数の和:1062

約数の個数: 48

約数和(自身を含む): 42712320

約数和(自身を除く): 25062100

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 139, 140, 278, 556, 695, 907, 973, 1390, 1814, 1946, 2780, 3628, 3892, 4535, 4865, 6349, 9070, 9730, 12698, 18140, 19460, 25396, 31745, 63490, 126073, 126980, 252146, 504292, 630365, 882511, 1260730, 1765022, 2521460, 3530044, 4412555, 8825110, 17650220]

約数ペア:

[(1, 17650220), (2, 8825110), (4, 4412555), (5, 3530044), (7, 2521460), (10, 1765022), (14, 1260730), (20, 882511), (28, 630365), (35, 504292), (70, 252146), (139, 126980), (140, 126073), (278, 63490), (556, 31745), (695, 25396), (907, 19460), (973, 18140), (1390, 12698), (1814, 9730), (1946, 9070), (2780, 6349), (3628, 4865), (3892, 4535)]