180380

素因数分解:

$2^2\times 5^1\times {\mathrm{29}}^1\times {\mathrm{311}}^1$

素因数の和:349

約数の個数: 24

約数和(自身を含む): 393120

約数和(自身を除く): 212740

約数列:

[1, 2, 4, 5, 10, 20, 29, 58, 116, 145, 290, 311, 580, 622, 1244, 1555, 3110, 6220, 9019, 18038, 36076, 45095, 90190, 180380]

約数ペア:

[(1, 180380), (2, 90190), (4, 45095), (5, 36076), (10, 18038), (20, 9019), (29, 6220), (58, 3110), (116, 1555), (145, 1244), (290, 622), (311, 580)]