772120

素因数分解:

$2^3\times 5^1\times {\mathrm{97}}^1\times {\mathrm{199}}^1$

素因数の和:307

約数の個数: 32

約数和(自身を含む): 1764000

約数和(自身を除く): 991880

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 97, 194, 199, 388, 398, 485, 776, 796, 970, 995, 1592, 1940, 1990, 3880, 3980, 7960, 19303, 38606, 77212, 96515, 154424, 193030, 386060, 772120]

約数ペア:

[(1, 772120), (2, 386060), (4, 193030), (5, 154424), (8, 96515), (10, 77212), (20, 38606), (40, 19303), (97, 7960), (194, 3980), (199, 3880), (388, 1990), (398, 1940), (485, 1592), (776, 995), (796, 970)]