205740290

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{23}}^1\times {\mathrm{7517}}^1$

素因数の和:7571

約数の個数: 64

約数和(自身を含む): 467679744

約数和(自身を除く): 261939454

約数列:

[1, 2, 5, 7, 10, 14, 17, 23, 34, 35, 46, 70, 85, 115, 119, 161, 170, 230, 238, 322, 391, 595, 782, 805, 1190, 1610, 1955, 2737, 3910, 5474, 7517, 13685, 15034, 27370, 37585, 52619, 75170, 105238, 127789, 172891, 255578, 263095, 345782, 526190, 638945, 864455, 894523, 1210237, 1277890, 1728910, 1789046, 2420474, 2939147, 4472615, 5878294, 6051185, 8945230, 12102370, 14695735, 20574029, 29391470, 41148058, 102870145, 205740290]

約数ペア:

[(1, 205740290), (2, 102870145), (5, 41148058), (7, 29391470), (10, 20574029), (14, 14695735), (17, 12102370), (23, 8945230), (34, 6051185), (35, 5878294), (46, 4472615), (70, 2939147), (85, 2420474), (115, 1789046), (119, 1728910), (161, 1277890), (170, 1210237), (230, 894523), (238, 864455), (322, 638945), (391, 526190), (595, 345782), (782, 263095), (805, 255578), (1190, 172891), (1610, 127789), (1955, 105238), (2737, 75170), (3910, 52619), (5474, 37585), (7517, 27370), (13685, 15034)]