42181720

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{150649}}^1$

素因数の和:150667

約数の個数: 32

約数和(自身を含む): 108468000

約数和(自身を除く): 66286280

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 140, 280, 150649, 301298, 602596, 753245, 1054543, 1205192, 1506490, 2109086, 3012980, 4218172, 5272715, 6025960, 8436344, 10545430, 21090860, 42181720]

約数ペア:

[(1, 42181720), (2, 21090860), (4, 10545430), (5, 8436344), (7, 6025960), (8, 5272715), (10, 4218172), (14, 3012980), (20, 2109086), (28, 1506490), (35, 1205192), (40, 1054543), (56, 753245), (70, 602596), (140, 301298), (280, 150649)]