2110900

素因数分解:

$2^2\times 5^2\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{101}}^1$

素因数の和:145

約数の個数: 72

約数和(自身を含む): 5312160

約数和(自身を除く): 3201260

約数列:

[1, 2, 4, 5, 10, 11, 19, 20, 22, 25, 38, 44, 50, 55, 76, 95, 100, 101, 110, 190, 202, 209, 220, 275, 380, 404, 418, 475, 505, 550, 836, 950, 1010, 1045, 1100, 1111, 1900, 1919, 2020, 2090, 2222, 2525, 3838, 4180, 4444, 5050, 5225, 5555, 7676, 9595, 10100, 10450, 11110, 19190, 20900, 21109, 22220, 27775, 38380, 42218, 47975, 55550, 84436, 95950, 105545, 111100, 191900, 211090, 422180, 527725, 1055450, 2110900]

約数ペア:

[(1, 2110900), (2, 1055450), (4, 527725), (5, 422180), (10, 211090), (11, 191900), (19, 111100), (20, 105545), (22, 95950), (25, 84436), (38, 55550), (44, 47975), (50, 42218), (55, 38380), (76, 27775), (95, 22220), (100, 21109), (101, 20900), (110, 19190), (190, 11110), (202, 10450), (209, 10100), (220, 9595), (275, 7676), (380, 5555), (404, 5225), (418, 5050), (475, 4444), (505, 4180), (550, 3838), (836, 2525), (950, 2222), (1010, 2090), (1045, 2020), (1100, 1919), (1111, 1900)]