120990380

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{409}}^1\times {\mathrm{2113}}^1$

素因数の和:2538

約数の個数: 48

約数和(自身を含む): 291224640

約数和(自身を除く): 170234260

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 409, 818, 1636, 2045, 2113, 2863, 4090, 4226, 5726, 8180, 8452, 10565, 11452, 14315, 14791, 21130, 28630, 29582, 42260, 57260, 59164, 73955, 147910, 295820, 864217, 1728434, 3456868, 4321085, 6049519, 8642170, 12099038, 17284340, 24198076, 30247595, 60495190, 120990380]

約数ペア:

[(1, 120990380), (2, 60495190), (4, 30247595), (5, 24198076), (7, 17284340), (10, 12099038), (14, 8642170), (20, 6049519), (28, 4321085), (35, 3456868), (70, 1728434), (140, 864217), (409, 295820), (818, 147910), (1636, 73955), (2045, 59164), (2113, 57260), (2863, 42260), (4090, 29582), (4226, 28630), (5726, 21130), (8180, 14791), (8452, 14315), (10565, 11452)]