391359080

素因数分解:

$2^3\times 5^1\times 7^2\times {\mathrm{199673}}^1$

素因数の和:199698

約数の個数: 48

約数和(自身を含む): 1024327620

約数和(自身を除く): 632968540

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 49, 56, 70, 98, 140, 196, 245, 280, 392, 490, 980, 1960, 199673, 399346, 798692, 998365, 1397711, 1597384, 1996730, 2795422, 3993460, 5590844, 6988555, 7986920, 9783977, 11181688, 13977110, 19567954, 27954220, 39135908, 48919885, 55908440, 78271816, 97839770, 195679540, 391359080]

約数ペア:

[(1, 391359080), (2, 195679540), (4, 97839770), (5, 78271816), (7, 55908440), (8, 48919885), (10, 39135908), (14, 27954220), (20, 19567954), (28, 13977110), (35, 11181688), (40, 9783977), (49, 7986920), (56, 6988555), (70, 5590844), (98, 3993460), (140, 2795422), (196, 1996730), (245, 1597384), (280, 1397711), (392, 998365), (490, 798692), (980, 399346), (1960, 199673)]