257954810

素因数分解:

$2^1\times 5^1\times {\mathrm{139}}^1\times {\mathrm{151}}^1\times {\mathrm{1229}}^1$

素因数の和:1526

約数の個数: 32

約数和(自身を含む): 471139200

約数和(自身を除く): 213184390

約数列:

[1, 2, 5, 10, 139, 151, 278, 302, 695, 755, 1229, 1390, 1510, 2458, 6145, 12290, 20989, 41978, 104945, 170831, 185579, 209890, 341662, 371158, 854155, 927895, 1708310, 1855790, 25795481, 51590962, 128977405, 257954810]

約数ペア:

[(1, 257954810), (2, 128977405), (5, 51590962), (10, 25795481), (139, 1855790), (151, 1708310), (278, 927895), (302, 854155), (695, 371158), (755, 341662), (1229, 209890), (1390, 185579), (1510, 170831), (2458, 104945), (6145, 41978), (12290, 20989)]