149911960

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{340709}}^1$

素因数の和:340731

約数の個数: 32

約数和(自身を含む): 367966800

約数和(自身を除く): 218054840

約数列:

[1, 2, 4, 5, 8, 10, 11, 20, 22, 40, 44, 55, 88, 110, 220, 440, 340709, 681418, 1362836, 1703545, 2725672, 3407090, 3747799, 6814180, 7495598, 13628360, 14991196, 18738995, 29982392, 37477990, 74955980, 149911960]

約数ペア:

[(1, 149911960), (2, 74955980), (4, 37477990), (5, 29982392), (8, 18738995), (10, 14991196), (11, 13628360), (20, 7495598), (22, 6814180), (40, 3747799), (44, 3407090), (55, 2725672), (88, 1703545), (110, 1362836), (220, 681418), (440, 340709)]