987580

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{67}}^2$

素因数の和:154

約数の個数: 36

約数和(自身を含む): 2296728

約数和(自身を除く): 1309148

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 44, 55, 67, 110, 134, 220, 268, 335, 670, 737, 1340, 1474, 2948, 3685, 4489, 7370, 8978, 14740, 17956, 22445, 44890, 49379, 89780, 98758, 197516, 246895, 493790, 987580]

約数ペア:

[(1, 987580), (2, 493790), (4, 246895), (5, 197516), (10, 98758), (11, 89780), (20, 49379), (22, 44890), (44, 22445), (55, 17956), (67, 14740), (110, 8978), (134, 7370), (220, 4489), (268, 3685), (335, 2948), (670, 1474), (737, 1340)]