220702940

素因数分解:

$2^2\times 5^1\times {\mathrm{23}}^1\times {\mathrm{199}}^1\times {\mathrm{2411}}^1$

素因数の和:2642

約数の個数: 48

約数和(自身を含む): 486259200

約数和(自身を除く): 265556260

約数列:

[1, 2, 4, 5, 10, 20, 23, 46, 92, 115, 199, 230, 398, 460, 796, 995, 1990, 2411, 3980, 4577, 4822, 9154, 9644, 12055, 18308, 22885, 24110, 45770, 48220, 55453, 91540, 110906, 221812, 277265, 479789, 554530, 959578, 1109060, 1919156, 2398945, 4797890, 9595780, 11035147, 22070294, 44140588, 55175735, 110351470, 220702940]

約数ペア:

[(1, 220702940), (2, 110351470), (4, 55175735), (5, 44140588), (10, 22070294), (20, 11035147), (23, 9595780), (46, 4797890), (92, 2398945), (115, 1919156), (199, 1109060), (230, 959578), (398, 554530), (460, 479789), (796, 277265), (995, 221812), (1990, 110906), (2411, 91540), (3980, 55453), (4577, 48220), (4822, 45770), (9154, 24110), (9644, 22885), (12055, 18308)]