77625940

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{139}}^1\times {\mathrm{3989}}^1$

素因数の和:4144

約数の個数: 48

約数和(自身を含む): 187689600

約数和(自身を除く): 110063660

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 139, 140, 278, 556, 695, 973, 1390, 1946, 2780, 3892, 3989, 4865, 7978, 9730, 15956, 19460, 19945, 27923, 39890, 55846, 79780, 111692, 139615, 279230, 554471, 558460, 1108942, 2217884, 2772355, 3881297, 5544710, 7762594, 11089420, 15525188, 19406485, 38812970, 77625940]

約数ペア:

[(1, 77625940), (2, 38812970), (4, 19406485), (5, 15525188), (7, 11089420), (10, 7762594), (14, 5544710), (20, 3881297), (28, 2772355), (35, 2217884), (70, 1108942), (139, 558460), (140, 554471), (278, 279230), (556, 139615), (695, 111692), (973, 79780), (1390, 55846), (1946, 39890), (2780, 27923), (3892, 19945), (3989, 19460), (4865, 15956), (7978, 9730)]