42870280

素因数分解:

$2^3\times 5^1\times {\mathrm{149}}^1\times {\mathrm{7193}}^1$

素因数の和:7353

約数の個数: 32

約数和(自身を含む): 97119000

約数和(自身を除く): 54248720

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 149, 298, 596, 745, 1192, 1490, 2980, 5960, 7193, 14386, 28772, 35965, 57544, 71930, 143860, 287720, 1071757, 2143514, 4287028, 5358785, 8574056, 10717570, 21435140, 42870280]

約数ペア:

[(1, 42870280), (2, 21435140), (4, 10717570), (5, 8574056), (8, 5358785), (10, 4287028), (20, 2143514), (40, 1071757), (149, 287720), (298, 143860), (596, 71930), (745, 57544), (1192, 35965), (1490, 28772), (2980, 14386), (5960, 7193)]