258690530

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{217387}}^1$

素因数の和:217418

約数の個数: 32

約数和(自身を含む): 563469696

約数和(自身を除く): 304779166

約数列:

[1, 2, 5, 7, 10, 14, 17, 34, 35, 70, 85, 119, 170, 238, 595, 1190, 217387, 434774, 1086935, 1521709, 2173870, 3043418, 3695579, 7391158, 7608545, 15217090, 18477895, 25869053, 36955790, 51738106, 129345265, 258690530]

約数ペア:

[(1, 258690530), (2, 129345265), (5, 51738106), (7, 36955790), (10, 25869053), (14, 18477895), (17, 15217090), (34, 7608545), (35, 7391158), (70, 3695579), (85, 3043418), (119, 2173870), (170, 1521709), (238, 1086935), (595, 434774), (1190, 217387)]