420850900

素因数分解:

$2^2\times 5^2\times {\mathrm{29}}^1\times {\mathrm{145121}}^1$

素因数の和:145164

約数の個数: 36

約数和(自身を含む): 944744220

約数和(自身を除く): 523893320

約数列:

[1, 2, 4, 5, 10, 20, 25, 29, 50, 58, 100, 116, 145, 290, 580, 725, 1450, 2900, 145121, 290242, 580484, 725605, 1451210, 2902420, 3628025, 4208509, 7256050, 8417018, 14512100, 16834036, 21042545, 42085090, 84170180, 105212725, 210425450, 420850900]

約数ペア:

[(1, 420850900), (2, 210425450), (4, 105212725), (5, 84170180), (10, 42085090), (20, 21042545), (25, 16834036), (29, 14512100), (50, 8417018), (58, 7256050), (100, 4208509), (116, 3628025), (145, 2902420), (290, 1451210), (580, 725605), (725, 580484), (1450, 290242), (2900, 145121)]