399853872

素因数分解:

$2^4\times 3^2\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{31}}^1\times {\mathrm{479}}^1$

素因数の和:552

約数の個数: 240

約数和(自身を含む): 1337057280

約数和(自身を除く): 937203408

約数列:

[1, 2, 3, 4, 6, 8, 9, 11, 12, 16, 17, 18, 22, 24, 31, 33, 34, 36, 44, 48, 51, 62, 66, 68, 72, 88, 93, 99, 102, 124, 132, 136, 144, 153, 176, 186, 187, 198, 204, 248, 264, 272, 279, 306, 341, 372, 374, 396, 408, 479, 496, 527, 528, 558, 561, 612, 682, 744, 748, 792, 816, 958, 1023, 1054, 1116, 1122, 1224, 1364, 1437, 1488, 1496, 1581, 1584, 1683, 1916, 2046, 2108, 2232, 2244, 2448, 2728, 2874, 2992, 3069, 3162, 3366, 3832, 4092, 4216, 4311, 4464, 4488, 4743, 5269, 5456, 5748, 5797, 6138, 6324, 6732, 7664, 8143, 8184, 8432, 8622, 8976, 9486, 10538, 11496, 11594, 12276, 12648, 13464, 14849, 15807, 16286, 16368, 17244, 17391, 18972, 21076, 22992, 23188, 24429, 24552, 25296, 26928, 29698, 31614, 32572, 34488, 34782, 37944, 42152, 44547, 46376, 47421, 48858, 49104, 52173, 59396, 63228, 65144, 68976, 69564, 73287, 75888, 84304, 89094, 89573, 92752, 94842, 97716, 104346, 118792, 126456, 130288, 133641, 139128, 146574, 163339, 178188, 179146, 189684, 195432, 208692, 237584, 252433, 252912, 267282, 268719, 278256, 293148, 326678, 356376, 358292, 379368, 390864, 417384, 490017, 504866, 534564, 537438, 586296, 653356, 712752, 716584, 757299, 758736, 806157, 834768, 980034, 1009732, 1069128, 1074876, 1172592, 1306712, 1433168, 1470051, 1514598, 1612314, 1960068, 2019464, 2138256, 2149752, 2271897, 2613424, 2776763, 2940102, 3029196, 3224628, 3920136, 4038928, 4299504, 4543794, 5553526, 5880204, 6058392, 6449256, 7840272, 8330289, 9087588, 11107052, 11760408, 12116784, 12898512, 16660578, 18175176, 22214104, 23520816, 24990867, 33321156, 36350352, 44428208, 49981734, 66642312, 99963468, 133284624, 199926936, 399853872]

約数ペア:

[(1, 399853872), (2, 199926936), (3, 133284624), (4, 99963468), (6, 66642312), (8, 49981734), (9, 44428208), (11, 36350352), (12, 33321156), (16, 24990867), (17, 23520816), (18, 22214104), (22, 18175176), (24, 16660578), (31, 12898512), (33, 12116784), (34, 11760408), (36, 11107052), (44, 9087588), (48, 8330289), (51, 7840272), (62, 6449256), (66, 6058392), (68, 5880204), (72, 5553526), (88, 4543794), (93, 4299504), (99, 4038928), (102, 3920136), (124, 3224628), (132, 3029196), (136, 2940102), (144, 2776763), (153, 2613424), (176, 2271897), (186, 2149752), (187, 2138256), (198, 2019464), (204, 1960068), (248, 1612314), (264, 1514598), (272, 1470051), (279, 1433168), (306, 1306712), (341, 1172592), (372, 1074876), (374, 1069128), (396, 1009732), (408, 980034), (479, 834768), (496, 806157), (527, 758736), (528, 757299), (558, 716584), (561, 712752), (612, 653356), (682, 586296), (744, 537438), (748, 534564), (792, 504866), (816, 490017), (958, 417384), (1023, 390864), (1054, 379368), (1116, 358292), (1122, 356376), (1224, 326678), (1364, 293148), (1437, 278256), (1488, 268719), (1496, 267282), (1581, 252912), (1584, 252433), (1683, 237584), (1916, 208692), (2046, 195432), (2108, 189684), (2232, 179146), (2244, 178188), (2448, 163339), (2728, 146574), (2874, 139128), (2992, 133641), (3069, 130288), (3162, 126456), (3366, 118792), (3832, 104346), (4092, 97716), (4216, 94842), (4311, 92752), (4464, 89573), (4488, 89094), (4743, 84304), (5269, 75888), (5456, 73287), (5748, 69564), (5797, 68976), (6138, 65144), (6324, 63228), (6732, 59396), (7664, 52173), (8143, 49104), (8184, 48858), (8432, 47421), (8622, 46376), (8976, 44547), (9486, 42152), (10538, 37944), (11496, 34782), (11594, 34488), (12276, 32572), (12648, 31614), (13464, 29698), (14849, 26928), (15807, 25296), (16286, 24552), (16368, 24429), (17244, 23188), (17391, 22992), (18972, 21076)]