355655144060

素因数分解:

$2^2\times 5^1\times {\mathrm{101}}^1\times {\mathrm{643}}^1\times {\mathrm{273821}}^1$

素因数の和:274574

約数の個数: 48

約数和(自身を含む): 755446420512

約数和(自身を除く): 399791276452

約数列:

[1, 2, 4, 5, 10, 20, 101, 202, 404, 505, 643, 1010, 1286, 2020, 2572, 3215, 6430, 12860, 64943, 129886, 259772, 273821, 324715, 547642, 649430, 1095284, 1298860, 1369105, 2738210, 5476420, 27655921, 55311842, 110623684, 138279605, 176066903, 276559210, 352133806, 553118420, 704267612, 880334515, 1760669030, 3521338060, 17782757203, 35565514406, 71131028812, 88913786015, 177827572030, 355655144060]

約数ペア:

[(1, 355655144060), (2, 177827572030), (4, 88913786015), (5, 71131028812), (10, 35565514406), (20, 17782757203), (101, 3521338060), (202, 1760669030), (404, 880334515), (505, 704267612), (643, 553118420), (1010, 352133806), (1286, 276559210), (2020, 176066903), (2572, 138279605), (3215, 110623684), (6430, 55311842), (12860, 27655921), (64943, 5476420), (129886, 2738210), (259772, 1369105), (273821, 1298860), (324715, 1095284), (547642, 649430)]