57659980

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{139}}^1\times {\mathrm{2963}}^1$

素因数の和:3118

約数の個数: 48

約数和(自身を含む): 139426560

約数和(自身を除く): 81766580

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 139, 140, 278, 556, 695, 973, 1390, 1946, 2780, 2963, 3892, 4865, 5926, 9730, 11852, 14815, 19460, 20741, 29630, 41482, 59260, 82964, 103705, 207410, 411857, 414820, 823714, 1647428, 2059285, 2882999, 4118570, 5765998, 8237140, 11531996, 14414995, 28829990, 57659980]

約数ペア:

[(1, 57659980), (2, 28829990), (4, 14414995), (5, 11531996), (7, 8237140), (10, 5765998), (14, 4118570), (20, 2882999), (28, 2059285), (35, 1647428), (70, 823714), (139, 414820), (140, 411857), (278, 207410), (556, 103705), (695, 82964), (973, 59260), (1390, 41482), (1946, 29630), (2780, 20741), (2963, 19460), (3892, 14815), (4865, 11852), (5926, 9730)]