8114820

素因数分解:

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

素因数の和:297

約数の個数: 72

約数和(自身を含む): 26155584

約数和(自身を除く): 18040764

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, 556, 695, 834, 973, 1390, 1668, 1946, 2085, 2780, 2919, 3892, 4170, 4865, 5838, 8340, 9730, 11676, 14595, 19321, 19460, 29190, 38642, 57963, 58380, 77284, 96605, 115926, 135247, 193210, 231852, 270494, 289815, 386420, 405741, 540988, 579630, 676235, 811482, 1159260, 1352470, 1622964, 2028705, 2704940, 4057410, 8114820]

約数ペア:

[(1, 8114820), (2, 4057410), (3, 2704940), (4, 2028705), (5, 1622964), (6, 1352470), (7, 1159260), (10, 811482), (12, 676235), (14, 579630), (15, 540988), (20, 405741), (21, 386420), (28, 289815), (30, 270494), (35, 231852), (42, 193210), (60, 135247), (70, 115926), (84, 96605), (105, 77284), (139, 58380), (140, 57963), (210, 38642), (278, 29190), (417, 19460), (420, 19321), (556, 14595), (695, 11676), (834, 9730), (973, 8340), (1390, 5838), (1668, 4865), (1946, 4170), (2085, 3892), (2780, 2919)]