209465500

素因数分解:

$2^2\times 5^3\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{1297}}^1$

素因数の和:1352

約数の個数: 96

約数和(自身を含む): 510269760

約数和(自身を除く): 300804260

約数列:

[1, 2, 4, 5, 10, 17, 19, 20, 25, 34, 38, 50, 68, 76, 85, 95, 100, 125, 170, 190, 250, 323, 340, 380, 425, 475, 500, 646, 850, 950, 1292, 1297, 1615, 1700, 1900, 2125, 2375, 2594, 3230, 4250, 4750, 5188, 6460, 6485, 8075, 8500, 9500, 12970, 16150, 22049, 24643, 25940, 32300, 32425, 40375, 44098, 49286, 64850, 80750, 88196, 98572, 110245, 123215, 129700, 161500, 162125, 220490, 246430, 324250, 418931, 440980, 492860, 551225, 616075, 648500, 837862, 1102450, 1232150, 1675724, 2094655, 2204900, 2464300, 2756125, 3080375, 4189310, 5512250, 6160750, 8378620, 10473275, 11024500, 12321500, 20946550, 41893100, 52366375, 104732750, 209465500]

約数ペア:

[(1, 209465500), (2, 104732750), (4, 52366375), (5, 41893100), (10, 20946550), (17, 12321500), (19, 11024500), (20, 10473275), (25, 8378620), (34, 6160750), (38, 5512250), (50, 4189310), (68, 3080375), (76, 2756125), (85, 2464300), (95, 2204900), (100, 2094655), (125, 1675724), (170, 1232150), (190, 1102450), (250, 837862), (323, 648500), (340, 616075), (380, 551225), (425, 492860), (475, 440980), (500, 418931), (646, 324250), (850, 246430), (950, 220490), (1292, 162125), (1297, 161500), (1615, 129700), (1700, 123215), (1900, 110245), (2125, 98572), (2375, 88196), (2594, 80750), (3230, 64850), (4250, 49286), (4750, 44098), (5188, 40375), (6460, 32425), (6485, 32300), (8075, 25940), (8500, 24643), (9500, 22049), (12970, 16150)]