27804980

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{10453}}^1$

素因数の和:10488

約数の個数: 48

約数和(自身を含む): 70250880

約数和(自身を除く): 42445900

約数列:

[1, 2, 4, 5, 7, 10, 14, 19, 20, 28, 35, 38, 70, 76, 95, 133, 140, 190, 266, 380, 532, 665, 1330, 2660, 10453, 20906, 41812, 52265, 73171, 104530, 146342, 198607, 209060, 292684, 365855, 397214, 731710, 794428, 993035, 1390249, 1463420, 1986070, 2780498, 3972140, 5560996, 6951245, 13902490, 27804980]

約数ペア:

[(1, 27804980), (2, 13902490), (4, 6951245), (5, 5560996), (7, 3972140), (10, 2780498), (14, 1986070), (19, 1463420), (20, 1390249), (28, 993035), (35, 794428), (38, 731710), (70, 397214), (76, 365855), (95, 292684), (133, 209060), (140, 198607), (190, 146342), (266, 104530), (380, 73171), (532, 52265), (665, 41812), (1330, 20906), (2660, 10453)]