8760220

素因数分解:

$2^2\times 5^1\times 7^3\times {\mathrm{1277}}^1$

素因数の和:1307

約数の個数: 48

約数和(自身を含む): 21470400

約数和(自身を除く): 12710180

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 49, 70, 98, 140, 196, 245, 343, 490, 686, 980, 1277, 1372, 1715, 2554, 3430, 5108, 6385, 6860, 8939, 12770, 17878, 25540, 35756, 44695, 62573, 89390, 125146, 178780, 250292, 312865, 438011, 625730, 876022, 1251460, 1752044, 2190055, 4380110, 8760220]

約数ペア:

[(1, 8760220), (2, 4380110), (4, 2190055), (5, 1752044), (7, 1251460), (10, 876022), (14, 625730), (20, 438011), (28, 312865), (35, 250292), (49, 178780), (70, 125146), (98, 89390), (140, 62573), (196, 44695), (245, 35756), (343, 25540), (490, 17878), (686, 12770), (980, 8939), (1277, 6860), (1372, 6385), (1715, 5108), (2554, 3430)]