8221220

素因数分解:

$2^2\times 5^1\times 7^2\times {\mathrm{8389}}^1$

素因数の和:8412

約数の個数: 36

約数和(自身を含む): 20085660

約数和(自身を除く): 11864440

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 49, 70, 98, 140, 196, 245, 490, 980, 8389, 16778, 33556, 41945, 58723, 83890, 117446, 167780, 234892, 293615, 411061, 587230, 822122, 1174460, 1644244, 2055305, 4110610, 8221220]

約数ペア:

[(1, 8221220), (2, 4110610), (4, 2055305), (5, 1644244), (7, 1174460), (10, 822122), (14, 587230), (20, 411061), (28, 293615), (35, 234892), (49, 167780), (70, 117446), (98, 83890), (140, 58723), (196, 41945), (245, 33556), (490, 16778), (980, 8389)]