217164020

素因数分解:

$2^2\times 5^1\times {\mathrm{317}}^1\times {\mathrm{34253}}^1$

素因数の和:34579

約数の個数: 24

約数和(自身を含む): 457496424

約数和(自身を除く): 240332404

約数列:

[1, 2, 4, 5, 10, 20, 317, 634, 1268, 1585, 3170, 6340, 34253, 68506, 137012, 171265, 342530, 685060, 10858201, 21716402, 43432804, 54291005, 108582010, 217164020]

約数ペア:

[(1, 217164020), (2, 108582010), (4, 54291005), (5, 43432804), (10, 21716402), (20, 10858201), (317, 685060), (634, 342530), (1268, 171265), (1585, 137012), (3170, 68506), (6340, 34253)]