290872890

素因数分解:

$2^1\times 3^3\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{823}}^1$

素因数の和:874

約数の個数: 256

約数和(自身を含む): 1025187840

約数和(自身を除く): 734314950

約数列:

[1, 2, 3, 5, 6, 7, 9, 10, 11, 14, 15, 17, 18, 21, 22, 27, 30, 33, 34, 35, 42, 45, 51, 54, 55, 63, 66, 70, 77, 85, 90, 99, 102, 105, 110, 119, 126, 135, 153, 154, 165, 170, 187, 189, 198, 210, 231, 238, 255, 270, 297, 306, 315, 330, 357, 374, 378, 385, 459, 462, 495, 510, 561, 594, 595, 630, 693, 714, 765, 770, 823, 918, 935, 945, 990, 1071, 1122, 1155, 1190, 1309, 1386, 1485, 1530, 1646, 1683, 1785, 1870, 1890, 2079, 2142, 2295, 2310, 2469, 2618, 2805, 2970, 3213, 3366, 3465, 3570, 3927, 4115, 4158, 4590, 4938, 5049, 5355, 5610, 5761, 6426, 6545, 6930, 7407, 7854, 8230, 8415, 9053, 10098, 10395, 10710, 11522, 11781, 12345, 13090, 13991, 14814, 16065, 16830, 17283, 18106, 19635, 20790, 22221, 23562, 24690, 25245, 27159, 27982, 28805, 32130, 34566, 35343, 37035, 39270, 41973, 44442, 45265, 50490, 51849, 54318, 57610, 58905, 63371, 69955, 70686, 74070, 81477, 83946, 86415, 90530, 97937, 103698, 111105, 117810, 125919, 126742, 135795, 139910, 153901, 155547, 162954, 172830, 176715, 190113, 195874, 209865, 222210, 244431, 251838, 259245, 271590, 293811, 307802, 311094, 316855, 353430, 377757, 380226, 407385, 419730, 461703, 488862, 489685, 518490, 570339, 587622, 629595, 633710, 755514, 769505, 777735, 814770, 881433, 923406, 950565, 979370, 1077307, 1140678, 1222155, 1259190, 1385109, 1469055, 1539010, 1555470, 1711017, 1762866, 1888785, 1901130, 2154614, 2308515, 2444310, 2644299, 2770218, 2851695, 2938110, 3231921, 3422034, 3777570, 4155327, 4407165, 4617030, 5288598, 5386535, 5703390, 6463842, 6925545, 8310654, 8555085, 8814330, 9695763, 10773070, 13221495, 13851090, 16159605, 17110170, 19391526, 20776635, 26442990, 29087289, 32319210, 41553270, 48478815, 58174578, 96957630, 145436445, 290872890]

約数ペア:

[(1, 290872890), (2, 145436445), (3, 96957630), (5, 58174578), (6, 48478815), (7, 41553270), (9, 32319210), (10, 29087289), (11, 26442990), (14, 20776635), (15, 19391526), (17, 17110170), (18, 16159605), (21, 13851090), (22, 13221495), (27, 10773070), (30, 9695763), (33, 8814330), (34, 8555085), (35, 8310654), (42, 6925545), (45, 6463842), (51, 5703390), (54, 5386535), (55, 5288598), (63, 4617030), (66, 4407165), (70, 4155327), (77, 3777570), (85, 3422034), (90, 3231921), (99, 2938110), (102, 2851695), (105, 2770218), (110, 2644299), (119, 2444310), (126, 2308515), (135, 2154614), (153, 1901130), (154, 1888785), (165, 1762866), (170, 1711017), (187, 1555470), (189, 1539010), (198, 1469055), (210, 1385109), (231, 1259190), (238, 1222155), (255, 1140678), (270, 1077307), (297, 979370), (306, 950565), (315, 923406), (330, 881433), (357, 814770), (374, 777735), (378, 769505), (385, 755514), (459, 633710), (462, 629595), (495, 587622), (510, 570339), (561, 518490), (594, 489685), (595, 488862), (630, 461703), (693, 419730), (714, 407385), (765, 380226), (770, 377757), (823, 353430), (918, 316855), (935, 311094), (945, 307802), (990, 293811), (1071, 271590), (1122, 259245), (1155, 251838), (1190, 244431), (1309, 222210), (1386, 209865), (1485, 195874), (1530, 190113), (1646, 176715), (1683, 172830), (1785, 162954), (1870, 155547), (1890, 153901), (2079, 139910), (2142, 135795), (2295, 126742), (2310, 125919), (2469, 117810), (2618, 111105), (2805, 103698), (2970, 97937), (3213, 90530), (3366, 86415), (3465, 83946), (3570, 81477), (3927, 74070), (4115, 70686), (4158, 69955), (4590, 63371), (4938, 58905), (5049, 57610), (5355, 54318), (5610, 51849), (5761, 50490), (6426, 45265), (6545, 44442), (6930, 41973), (7407, 39270), (7854, 37035), (8230, 35343), (8415, 34566), (9053, 32130), (10098, 28805), (10395, 27982), (10710, 27159), (11522, 25245), (11781, 24690), (12345, 23562), (13090, 22221), (13991, 20790), (14814, 19635), (16065, 18106), (16830, 17283)]