890236450

素因数分解:

$2^1\times 5^2\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{199}}^1\times {\mathrm{277}}^1$

素因数の和:524

約数の個数: 96

約数和(自身を含む): 1861488000

約数和(自身を除く): 971251550

約数列:

[1, 2, 5, 10, 17, 19, 25, 34, 38, 50, 85, 95, 170, 190, 199, 277, 323, 398, 425, 475, 554, 646, 850, 950, 995, 1385, 1615, 1990, 2770, 3230, 3383, 3781, 4709, 4975, 5263, 6766, 6925, 7562, 8075, 9418, 9950, 10526, 13850, 16150, 16915, 18905, 23545, 26315, 33830, 37810, 47090, 52630, 55123, 64277, 84575, 89471, 94525, 110246, 117725, 128554, 131575, 169150, 178942, 189050, 235450, 263150, 275615, 321385, 447355, 551230, 642770, 894710, 937091, 1047337, 1378075, 1606925, 1874182, 2094674, 2236775, 2756150, 3213850, 4473550, 4685455, 5236685, 9370910, 10473370, 17804729, 23427275, 26183425, 35609458, 46854550, 52366850, 89023645, 178047290, 445118225, 890236450]

約数ペア:

[(1, 890236450), (2, 445118225), (5, 178047290), (10, 89023645), (17, 52366850), (19, 46854550), (25, 35609458), (34, 26183425), (38, 23427275), (50, 17804729), (85, 10473370), (95, 9370910), (170, 5236685), (190, 4685455), (199, 4473550), (277, 3213850), (323, 2756150), (398, 2236775), (425, 2094674), (475, 1874182), (554, 1606925), (646, 1378075), (850, 1047337), (950, 937091), (995, 894710), (1385, 642770), (1615, 551230), (1990, 447355), (2770, 321385), (3230, 275615), (3383, 263150), (3781, 235450), (4709, 189050), (4975, 178942), (5263, 169150), (6766, 131575), (6925, 128554), (7562, 117725), (8075, 110246), (9418, 94525), (9950, 89471), (10526, 84575), (13850, 64277), (16150, 55123), (16915, 52630), (18905, 47090), (23545, 37810), (26315, 33830)]