89156740

素因数分解:

$2^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{23}}^1\times {\mathrm{101}}^2$

素因数の和:253

約数の個数: 72

約数和(自身を含む): 207708480

約数和(自身を除く): 118551740

約数列:

[1, 2, 4, 5, 10, 19, 20, 23, 38, 46, 76, 92, 95, 101, 115, 190, 202, 230, 380, 404, 437, 460, 505, 874, 1010, 1748, 1919, 2020, 2185, 2323, 3838, 4370, 4646, 7676, 8740, 9292, 9595, 10201, 11615, 19190, 20402, 23230, 38380, 40804, 44137, 46460, 51005, 88274, 102010, 176548, 193819, 204020, 220685, 234623, 387638, 441370, 469246, 775276, 882740, 938492, 969095, 1173115, 1938190, 2346230, 3876380, 4457837, 4692460, 8915674, 17831348, 22289185, 44578370, 89156740]

約数ペア:

[(1, 89156740), (2, 44578370), (4, 22289185), (5, 17831348), (10, 8915674), (19, 4692460), (20, 4457837), (23, 3876380), (38, 2346230), (46, 1938190), (76, 1173115), (92, 969095), (95, 938492), (101, 882740), (115, 775276), (190, 469246), (202, 441370), (230, 387638), (380, 234623), (404, 220685), (437, 204020), (460, 193819), (505, 176548), (874, 102010), (1010, 88274), (1748, 51005), (1919, 46460), (2020, 44137), (2185, 40804), (2323, 38380), (3838, 23230), (4370, 20402), (4646, 19190), (7676, 11615), (8740, 10201), (9292, 9595)]