72890195

素因数分解:

$5^1\times 7^2\times {\mathrm{29}}^1\times {\mathrm{10259}}^1$

素因数の和:10307

約数の個数: 24

約数和(自身を含む): 105267600

約数和(自身を除く): 32377405

約数列:

[1, 5, 7, 29, 35, 49, 145, 203, 245, 1015, 1421, 7105, 10259, 51295, 71813, 297511, 359065, 502691, 1487555, 2082577, 2513455, 10412885, 14578039, 72890195]

約数ペア:

[(1, 72890195), (5, 14578039), (7, 10412885), (29, 2513455), (35, 2082577), (49, 1487555), (145, 502691), (203, 359065), (245, 297511), (1015, 71813), (1421, 51295), (7105, 10259)]