12190220

素因数分解:

$2^2\times 5^1\times 7^3\times {\mathrm{1777}}^1$

素因数の和:1807

約数の個数: 48

約数和(自身を含む): 29870400

約数和(自身を除く): 17680180

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 49, 70, 98, 140, 196, 245, 343, 490, 686, 980, 1372, 1715, 1777, 3430, 3554, 6860, 7108, 8885, 12439, 17770, 24878, 35540, 49756, 62195, 87073, 124390, 174146, 248780, 348292, 435365, 609511, 870730, 1219022, 1741460, 2438044, 3047555, 6095110, 12190220]

約数ペア:

[(1, 12190220), (2, 6095110), (4, 3047555), (5, 2438044), (7, 1741460), (10, 1219022), (14, 870730), (20, 609511), (28, 435365), (35, 348292), (49, 248780), (70, 174146), (98, 124390), (140, 87073), (196, 62195), (245, 49756), (343, 35540), (490, 24878), (686, 17770), (980, 12439), (1372, 8885), (1715, 7108), (1777, 6860), (3430, 3554)]