7744940

素因数分解:

$2^2\times 5^1\times 7^3\times {\mathrm{1129}}^1$

素因数の和:1159

約数の個数: 48

約数和(自身を含む): 18984000

約数和(自身を除く): 11239060

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 49, 70, 98, 140, 196, 245, 343, 490, 686, 980, 1129, 1372, 1715, 2258, 3430, 4516, 5645, 6860, 7903, 11290, 15806, 22580, 31612, 39515, 55321, 79030, 110642, 158060, 221284, 276605, 387247, 553210, 774494, 1106420, 1548988, 1936235, 3872470, 7744940]

約数ペア:

[(1, 7744940), (2, 3872470), (4, 1936235), (5, 1548988), (7, 1106420), (10, 774494), (14, 553210), (20, 387247), (28, 276605), (35, 221284), (49, 158060), (70, 110642), (98, 79030), (140, 55321), (196, 39515), (245, 31612), (343, 22580), (490, 15806), (686, 11290), (980, 7903), (1129, 6860), (1372, 5645), (1715, 4516), (2258, 3430)]