2801740

素因数分解:

$2^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{73}}^1\times {\mathrm{101}}^1$

素因数の和:202

約数の個数: 48

約数和(自身を含む): 6340320

約数和(自身を除く): 3538580

約数列:

[1, 2, 4, 5, 10, 19, 20, 38, 73, 76, 95, 101, 146, 190, 202, 292, 365, 380, 404, 505, 730, 1010, 1387, 1460, 1919, 2020, 2774, 3838, 5548, 6935, 7373, 7676, 9595, 13870, 14746, 19190, 27740, 29492, 36865, 38380, 73730, 140087, 147460, 280174, 560348, 700435, 1400870, 2801740]

約数ペア:

[(1, 2801740), (2, 1400870), (4, 700435), (5, 560348), (10, 280174), (19, 147460), (20, 140087), (38, 73730), (73, 38380), (76, 36865), (95, 29492), (101, 27740), (146, 19190), (190, 14746), (202, 13870), (292, 9595), (365, 7676), (380, 7373), (404, 6935), (505, 5548), (730, 3838), (1010, 2774), (1387, 2020), (1460, 1919)]