10839220

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{139}}^1\times {\mathrm{557}}^1$

素因数の和:712

約数の個数: 48

約数和(自身を含む): 26248320

約数和(自身を除く): 15409100

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 139, 140, 278, 556, 557, 695, 973, 1114, 1390, 1946, 2228, 2780, 2785, 3892, 3899, 4865, 5570, 7798, 9730, 11140, 15596, 19460, 19495, 38990, 77423, 77980, 154846, 309692, 387115, 541961, 774230, 1083922, 1548460, 2167844, 2709805, 5419610, 10839220]

約数ペア:

[(1, 10839220), (2, 5419610), (4, 2709805), (5, 2167844), (7, 1548460), (10, 1083922), (14, 774230), (20, 541961), (28, 387115), (35, 309692), (70, 154846), (139, 77980), (140, 77423), (278, 38990), (556, 19495), (557, 19460), (695, 15596), (973, 11140), (1114, 9730), (1390, 7798), (1946, 5570), (2228, 4865), (2780, 3899), (2785, 3892)]