204865500

素因数分解:

$2^2\times 3^1\times 5^3\times 7^1\times {\mathrm{109}}^1\times {\mathrm{179}}^1$

素因数の和:317

約数の個数: 192

約数和(自身を含む): 691891200

約数和(自身を除く): 487025700

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 20, 21, 25, 28, 30, 35, 42, 50, 60, 70, 75, 84, 100, 105, 109, 125, 140, 150, 175, 179, 210, 218, 250, 300, 327, 350, 358, 375, 420, 436, 500, 525, 537, 545, 654, 700, 716, 750, 763, 875, 895, 1050, 1074, 1090, 1253, 1308, 1500, 1526, 1635, 1750, 1790, 2100, 2148, 2180, 2289, 2506, 2625, 2685, 2725, 3052, 3270, 3500, 3580, 3759, 3815, 4475, 4578, 5012, 5250, 5370, 5450, 6265, 6540, 7518, 7630, 8175, 8950, 9156, 10500, 10740, 10900, 11445, 12530, 13425, 13625, 15036, 15260, 16350, 17900, 18795, 19075, 19511, 22375, 22890, 25060, 26850, 27250, 31325, 32700, 37590, 38150, 39022, 40875, 44750, 45780, 53700, 54500, 57225, 58533, 62650, 67125, 75180, 76300, 78044, 81750, 89500, 93975, 95375, 97555, 114450, 117066, 125300, 134250, 136577, 156625, 163500, 187950, 190750, 195110, 228900, 234132, 268500, 273154, 286125, 292665, 313250, 375900, 381500, 390220, 409731, 469875, 487775, 546308, 572250, 585330, 626500, 682885, 819462, 939750, 975550, 1144500, 1170660, 1365770, 1463325, 1638924, 1879500, 1951100, 2048655, 2438875, 2731540, 2926650, 3414425, 4097310, 4877750, 5853300, 6828850, 7316625, 8194620, 9755500, 10243275, 13657700, 14633250, 17072125, 20486550, 29266500, 34144250, 40973100, 51216375, 68288500, 102432750, 204865500]

約数ペア:

[(1, 204865500), (2, 102432750), (3, 68288500), (4, 51216375), (5, 40973100), (6, 34144250), (7, 29266500), (10, 20486550), (12, 17072125), (14, 14633250), (15, 13657700), (20, 10243275), (21, 9755500), (25, 8194620), (28, 7316625), (30, 6828850), (35, 5853300), (42, 4877750), (50, 4097310), (60, 3414425), (70, 2926650), (75, 2731540), (84, 2438875), (100, 2048655), (105, 1951100), (109, 1879500), (125, 1638924), (140, 1463325), (150, 1365770), (175, 1170660), (179, 1144500), (210, 975550), (218, 939750), (250, 819462), (300, 682885), (327, 626500), (350, 585330), (358, 572250), (375, 546308), (420, 487775), (436, 469875), (500, 409731), (525, 390220), (537, 381500), (545, 375900), (654, 313250), (700, 292665), (716, 286125), (750, 273154), (763, 268500), (875, 234132), (895, 228900), (1050, 195110), (1074, 190750), (1090, 187950), (1253, 163500), (1308, 156625), (1500, 136577), (1526, 134250), (1635, 125300), (1750, 117066), (1790, 114450), (2100, 97555), (2148, 95375), (2180, 93975), (2289, 89500), (2506, 81750), (2625, 78044), (2685, 76300), (2725, 75180), (3052, 67125), (3270, 62650), (3500, 58533), (3580, 57225), (3759, 54500), (3815, 53700), (4475, 45780), (4578, 44750), (5012, 40875), (5250, 39022), (5370, 38150), (5450, 37590), (6265, 32700), (6540, 31325), (7518, 27250), (7630, 26850), (8175, 25060), (8950, 22890), (9156, 22375), (10500, 19511), (10740, 19075), (10900, 18795), (11445, 17900), (12530, 16350), (13425, 15260), (13625, 15036)]