28736400

素因数分解:

$2^4\times 3^1\times 5^2\times 7^1\times {\mathrm{11}}^1\times {\mathrm{311}}^1$

素因数の和:350

約数の個数: 240

約数和(自身を含む): 115135488

約数和(自身を除く): 86399088

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 11, 12, 14, 15, 16, 20, 21, 22, 24, 25, 28, 30, 33, 35, 40, 42, 44, 48, 50, 55, 56, 60, 66, 70, 75, 77, 80, 84, 88, 100, 105, 110, 112, 120, 132, 140, 150, 154, 165, 168, 175, 176, 200, 210, 220, 231, 240, 264, 275, 280, 300, 308, 311, 330, 336, 350, 385, 400, 420, 440, 462, 525, 528, 550, 560, 600, 616, 622, 660, 700, 770, 825, 840, 880, 924, 933, 1050, 1100, 1155, 1200, 1232, 1244, 1320, 1400, 1540, 1555, 1650, 1680, 1848, 1866, 1925, 2100, 2177, 2200, 2310, 2488, 2640, 2800, 3080, 3110, 3300, 3421, 3696, 3732, 3850, 4200, 4354, 4400, 4620, 4665, 4976, 5775, 6160, 6220, 6531, 6600, 6842, 7464, 7700, 7775, 8400, 8708, 9240, 9330, 10263, 10885, 11550, 12440, 13062, 13200, 13684, 14928, 15400, 15550, 17105, 17416, 18480, 18660, 20526, 21770, 23100, 23325, 23947, 24880, 26124, 27368, 30800, 31100, 32655, 34210, 34832, 37320, 41052, 43540, 46200, 46650, 47894, 51315, 52248, 54425, 54736, 62200, 65310, 68420, 71841, 74640, 82104, 85525, 87080, 92400, 93300, 95788, 102630, 104496, 108850, 119735, 124400, 130620, 136840, 143682, 163275, 164208, 171050, 174160, 186600, 191576, 205260, 217700, 239470, 256575, 261240, 273680, 287364, 326550, 342100, 359205, 373200, 383152, 410520, 435400, 478940, 513150, 522480, 574728, 598675, 653100, 684200, 718410, 821040, 870800, 957880, 1026300, 1149456, 1197350, 1306200, 1368400, 1436820, 1796025, 1915760, 2052600, 2394700, 2612400, 2873640, 3592050, 4105200, 4789400, 5747280, 7184100, 9578800, 14368200, 28736400]

約数ペア:

[(1, 28736400), (2, 14368200), (3, 9578800), (4, 7184100), (5, 5747280), (6, 4789400), (7, 4105200), (8, 3592050), (10, 2873640), (11, 2612400), (12, 2394700), (14, 2052600), (15, 1915760), (16, 1796025), (20, 1436820), (21, 1368400), (22, 1306200), (24, 1197350), (25, 1149456), (28, 1026300), (30, 957880), (33, 870800), (35, 821040), (40, 718410), (42, 684200), (44, 653100), (48, 598675), (50, 574728), (55, 522480), (56, 513150), (60, 478940), (66, 435400), (70, 410520), (75, 383152), (77, 373200), (80, 359205), (84, 342100), (88, 326550), (100, 287364), (105, 273680), (110, 261240), (112, 256575), (120, 239470), (132, 217700), (140, 205260), (150, 191576), (154, 186600), (165, 174160), (168, 171050), (175, 164208), (176, 163275), (200, 143682), (210, 136840), (220, 130620), (231, 124400), (240, 119735), (264, 108850), (275, 104496), (280, 102630), (300, 95788), (308, 93300), (311, 92400), (330, 87080), (336, 85525), (350, 82104), (385, 74640), (400, 71841), (420, 68420), (440, 65310), (462, 62200), (525, 54736), (528, 54425), (550, 52248), (560, 51315), (600, 47894), (616, 46650), (622, 46200), (660, 43540), (700, 41052), (770, 37320), (825, 34832), (840, 34210), (880, 32655), (924, 31100), (933, 30800), (1050, 27368), (1100, 26124), (1155, 24880), (1200, 23947), (1232, 23325), (1244, 23100), (1320, 21770), (1400, 20526), (1540, 18660), (1555, 18480), (1650, 17416), (1680, 17105), (1848, 15550), (1866, 15400), (1925, 14928), (2100, 13684), (2177, 13200), (2200, 13062), (2310, 12440), (2488, 11550), (2640, 10885), (2800, 10263), (3080, 9330), (3110, 9240), (3300, 8708), (3421, 8400), (3696, 7775), (3732, 7700), (3850, 7464), (4200, 6842), (4354, 6600), (4400, 6531), (4620, 6220), (4665, 6160), (4976, 5775)]