25628820

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{139}}^1\times {\mathrm{439}}^1$

素因数の和:597

約数の個数: 96

約数和(自身を含む): 82790400

約数和(自身を除く): 57161580

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 20, 21, 28, 30, 35, 42, 60, 70, 84, 105, 139, 140, 210, 278, 417, 420, 439, 556, 695, 834, 878, 973, 1317, 1390, 1668, 1756, 1946, 2085, 2195, 2634, 2780, 2919, 3073, 3892, 4170, 4390, 4865, 5268, 5838, 6146, 6585, 8340, 8780, 9219, 9730, 11676, 12292, 13170, 14595, 15365, 18438, 19460, 26340, 29190, 30730, 36876, 46095, 58380, 61021, 61460, 92190, 122042, 183063, 184380, 244084, 305105, 366126, 427147, 610210, 732252, 854294, 915315, 1220420, 1281441, 1708588, 1830630, 2135735, 2562882, 3661260, 4271470, 5125764, 6407205, 8542940, 12814410, 25628820]

約数ペア:

[(1, 25628820), (2, 12814410), (3, 8542940), (4, 6407205), (5, 5125764), (6, 4271470), (7, 3661260), (10, 2562882), (12, 2135735), (14, 1830630), (15, 1708588), (20, 1281441), (21, 1220420), (28, 915315), (30, 854294), (35, 732252), (42, 610210), (60, 427147), (70, 366126), (84, 305105), (105, 244084), (139, 184380), (140, 183063), (210, 122042), (278, 92190), (417, 61460), (420, 61021), (439, 58380), (556, 46095), (695, 36876), (834, 30730), (878, 29190), (973, 26340), (1317, 19460), (1390, 18438), (1668, 15365), (1756, 14595), (1946, 13170), (2085, 12292), (2195, 11676), (2634, 9730), (2780, 9219), (2919, 8780), (3073, 8340), (3892, 6585), (4170, 6146), (4390, 5838), (4865, 5268)]