28093380

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{66889}}^1$

素因数の和:66908

約数の個数: 48

約数和(自身を含む): 89900160

約数和(自身を除く): 61806780

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 20, 21, 28, 30, 35, 42, 60, 70, 84, 105, 140, 210, 420, 66889, 133778, 200667, 267556, 334445, 401334, 468223, 668890, 802668, 936446, 1003335, 1337780, 1404669, 1872892, 2006670, 2341115, 2809338, 4013340, 4682230, 5618676, 7023345, 9364460, 14046690, 28093380]

約数ペア:

[(1, 28093380), (2, 14046690), (3, 9364460), (4, 7023345), (5, 5618676), (6, 4682230), (7, 4013340), (10, 2809338), (12, 2341115), (14, 2006670), (15, 1872892), (20, 1404669), (21, 1337780), (28, 1003335), (30, 936446), (35, 802668), (42, 668890), (60, 468223), (70, 401334), (84, 334445), (105, 267556), (140, 200667), (210, 133778), (420, 66889)]