69877640

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{249563}}^1$

素因数の和:249581

約数の個数: 32

約数和(自身を含む): 179686080

約数和(自身を除く): 109808440

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 140, 280, 249563, 499126, 998252, 1247815, 1746941, 1996504, 2495630, 3493882, 4991260, 6987764, 8734705, 9982520, 13975528, 17469410, 34938820, 69877640]

約数ペア:

[(1, 69877640), (2, 34938820), (4, 17469410), (5, 13975528), (7, 9982520), (8, 8734705), (10, 6987764), (14, 4991260), (20, 3493882), (28, 2495630), (35, 1996504), (40, 1746941), (56, 1247815), (70, 998252), (140, 499126), (280, 249563)]