268660

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{101}}^1$

素因数の和:136

約数の個数: 48

約数和(自身を含む): 685440

約数和(自身を除く): 416780

約数列:

[1, 2, 4, 5, 7, 10, 14, 19, 20, 28, 35, 38, 70, 76, 95, 101, 133, 140, 190, 202, 266, 380, 404, 505, 532, 665, 707, 1010, 1330, 1414, 1919, 2020, 2660, 2828, 3535, 3838, 7070, 7676, 9595, 13433, 14140, 19190, 26866, 38380, 53732, 67165, 134330, 268660]

約数ペア:

[(1, 268660), (2, 134330), (4, 67165), (5, 53732), (7, 38380), (10, 26866), (14, 19190), (19, 14140), (20, 13433), (28, 9595), (35, 7676), (38, 7070), (70, 3838), (76, 3535), (95, 2828), (101, 2660), (133, 2020), (140, 1919), (190, 1414), (202, 1330), (266, 1010), (380, 707), (404, 665), (505, 532)]