209541530

素因数分解:

$2^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{29}}^1\times {\mathrm{65687}}^1$

素因数の和:65734

約数の個数: 32

約数和(自身を含む): 425658240

約数和(自身を除く): 216116710

約数列:

[1, 2, 5, 10, 11, 22, 29, 55, 58, 110, 145, 290, 319, 638, 1595, 3190, 65687, 131374, 328435, 656870, 722557, 1445114, 1904923, 3612785, 3809846, 7225570, 9524615, 19049230, 20954153, 41908306, 104770765, 209541530]

約数ペア:

[(1, 209541530), (2, 104770765), (5, 41908306), (10, 20954153), (11, 19049230), (22, 9524615), (29, 7225570), (55, 3809846), (58, 3612785), (110, 1904923), (145, 1445114), (290, 722557), (319, 656870), (638, 328435), (1595, 131374), (3190, 65687)]