91440500

素因数分解:

$2^2\times 5^3\times {\mathrm{199}}^1\times {\mathrm{919}}^1$

素因数の和:1137

約数の個数: 48

約数和(自身を含む): 200928000

約数和(自身を除く): 109487500

約数列:

[1, 2, 4, 5, 10, 20, 25, 50, 100, 125, 199, 250, 398, 500, 796, 919, 995, 1838, 1990, 3676, 3980, 4595, 4975, 9190, 9950, 18380, 19900, 22975, 24875, 45950, 49750, 91900, 99500, 114875, 182881, 229750, 365762, 459500, 731524, 914405, 1828810, 3657620, 4572025, 9144050, 18288100, 22860125, 45720250, 91440500]

約数ペア:

[(1, 91440500), (2, 45720250), (4, 22860125), (5, 18288100), (10, 9144050), (20, 4572025), (25, 3657620), (50, 1828810), (100, 914405), (125, 731524), (199, 459500), (250, 365762), (398, 229750), (500, 182881), (796, 114875), (919, 99500), (995, 91900), (1838, 49750), (1990, 45950), (3676, 24875), (3980, 22975), (4595, 19900), (4975, 18380), (9190, 9950)]