149397320

素因数分解:

$2^3\times 5^1\times {\mathrm{443}}^1\times {\mathrm{8431}}^1$

素因数の和:8885

約数の個数: 32

約数和(自身を含む): 336942720

約数和(自身を除く): 187545400

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 443, 886, 1772, 2215, 3544, 4430, 8431, 8860, 16862, 17720, 33724, 42155, 67448, 84310, 168620, 337240, 3734933, 7469866, 14939732, 18674665, 29879464, 37349330, 74698660, 149397320]

約数ペア:

[(1, 149397320), (2, 74698660), (4, 37349330), (5, 29879464), (8, 18674665), (10, 14939732), (20, 7469866), (40, 3734933), (443, 337240), (886, 168620), (1772, 84310), (2215, 67448), (3544, 42155), (4430, 33724), (8431, 17720), (8860, 16862)]