149031040

素因数分解:

$2^7\times 5^1\times {\mathrm{232861}}^1$

素因数の和:232880

約数の個数: 32

約数和(自身を含む): 356278860

約数和(自身を除く): 207247820

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 128, 160, 320, 640, 232861, 465722, 931444, 1164305, 1862888, 2328610, 3725776, 4657220, 7451552, 9314440, 14903104, 18628880, 29806208, 37257760, 74515520, 149031040]

約数ペア:

[(1, 149031040), (2, 74515520), (4, 37257760), (5, 29806208), (8, 18628880), (10, 14903104), (16, 9314440), (20, 7451552), (32, 4657220), (40, 3725776), (64, 2328610), (80, 1862888), (128, 1164305), (160, 931444), (320, 465722), (640, 232861)]