1718840

素因数分解:

$2^3\times 5^1\times {\mathrm{97}}^1\times {\mathrm{443}}^1$

素因数の和:551

約数の個数: 32

約数和(自身を含む): 3916080

約数和(自身を除く): 2197240

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 97, 194, 388, 443, 485, 776, 886, 970, 1772, 1940, 2215, 3544, 3880, 4430, 8860, 17720, 42971, 85942, 171884, 214855, 343768, 429710, 859420, 1718840]

約数ペア:

[(1, 1718840), (2, 859420), (4, 429710), (5, 343768), (8, 214855), (10, 171884), (20, 85942), (40, 42971), (97, 17720), (194, 8860), (388, 4430), (443, 3880), (485, 3544), (776, 2215), (886, 1940), (970, 1772)]