210917870

素因数分解:

$2^1\times 5^1\times {\mathrm{29}}^1\times {\mathrm{61}}^1\times {\mathrm{11923}}^1$

素因数の和:12020

約数の個数: 32

約数和(自身を含む): 399215520

約数和(自身を除く): 188297650

約数列:

[1, 2, 5, 10, 29, 58, 61, 122, 145, 290, 305, 610, 1769, 3538, 8845, 11923, 17690, 23846, 59615, 119230, 345767, 691534, 727303, 1454606, 1728835, 3457670, 3636515, 7273030, 21091787, 42183574, 105458935, 210917870]

約数ペア:

[(1, 210917870), (2, 105458935), (5, 42183574), (10, 21091787), (29, 7273030), (58, 3636515), (61, 3457670), (122, 1728835), (145, 1454606), (290, 727303), (305, 691534), (610, 345767), (1769, 119230), (3538, 59615), (8845, 23846), (11923, 17690)]