261892010

素因数分解:

$2^1\times 5^1\times {\mathrm{19}}^1\times {\mathrm{41}}^1\times {\mathrm{33619}}^1$

素因数の和:33686

約数の個数: 32

約数和(自身を含む): 508334400

約数和(自身を除く): 246442390

約数列:

[1, 2, 5, 10, 19, 38, 41, 82, 95, 190, 205, 410, 779, 1558, 3895, 7790, 33619, 67238, 168095, 336190, 638761, 1277522, 1378379, 2756758, 3193805, 6387610, 6891895, 13783790, 26189201, 52378402, 130946005, 261892010]

約数ペア:

[(1, 261892010), (2, 130946005), (5, 52378402), (10, 26189201), (19, 13783790), (38, 6891895), (41, 6387610), (82, 3193805), (95, 2756758), (190, 1378379), (205, 1277522), (410, 638761), (779, 336190), (1558, 168095), (3895, 67238), (7790, 33619)]