408768976

素因数分解:

$2^4\times 7^2\times {\mathrm{11}}^2\times {\mathrm{31}}^1\times {\mathrm{139}}^1$

素因数の和:214

約数の個数: 180

約数和(自身を含む): 1052849280

約数和(自身を除く): 644080304

約数列:

[1, 2, 4, 7, 8, 11, 14, 16, 22, 28, 31, 44, 49, 56, 62, 77, 88, 98, 112, 121, 124, 139, 154, 176, 196, 217, 242, 248, 278, 308, 341, 392, 434, 484, 496, 539, 556, 616, 682, 784, 847, 868, 968, 973, 1078, 1112, 1232, 1364, 1519, 1529, 1694, 1736, 1936, 1946, 2156, 2224, 2387, 2728, 3038, 3058, 3388, 3472, 3751, 3892, 4309, 4312, 4774, 5456, 5929, 6076, 6116, 6776, 6811, 7502, 7784, 8618, 8624, 9548, 10703, 11858, 12152, 12232, 13552, 13622, 15004, 15568, 16709, 16819, 17236, 19096, 21406, 23716, 24304, 24464, 26257, 27244, 30008, 30163, 33418, 33638, 34472, 38192, 42812, 47399, 47432, 52514, 54488, 60016, 60326, 66836, 67276, 68944, 74921, 85624, 94798, 94864, 105028, 108976, 117733, 120652, 133672, 134552, 149842, 171248, 183799, 189596, 210056, 211141, 235466, 241304, 267344, 269104, 299684, 331793, 367598, 379192, 420112, 422282, 470932, 482608, 521389, 599368, 663586, 735196, 758384, 824131, 844564, 941864, 1042778, 1198736, 1327172, 1470392, 1648262, 1689128, 1883728, 2085556, 2322551, 2654344, 2940784, 3296524, 3378256, 3649723, 4171112, 4645102, 5308688, 6593048, 7299446, 8342224, 9290204, 13186096, 14598892, 18580408, 25548061, 29197784, 37160816, 51096122, 58395568, 102192244, 204384488, 408768976]

約数ペア:

[(1, 408768976), (2, 204384488), (4, 102192244), (7, 58395568), (8, 51096122), (11, 37160816), (14, 29197784), (16, 25548061), (22, 18580408), (28, 14598892), (31, 13186096), (44, 9290204), (49, 8342224), (56, 7299446), (62, 6593048), (77, 5308688), (88, 4645102), (98, 4171112), (112, 3649723), (121, 3378256), (124, 3296524), (139, 2940784), (154, 2654344), (176, 2322551), (196, 2085556), (217, 1883728), (242, 1689128), (248, 1648262), (278, 1470392), (308, 1327172), (341, 1198736), (392, 1042778), (434, 941864), (484, 844564), (496, 824131), (539, 758384), (556, 735196), (616, 663586), (682, 599368), (784, 521389), (847, 482608), (868, 470932), (968, 422282), (973, 420112), (1078, 379192), (1112, 367598), (1232, 331793), (1364, 299684), (1519, 269104), (1529, 267344), (1694, 241304), (1736, 235466), (1936, 211141), (1946, 210056), (2156, 189596), (2224, 183799), (2387, 171248), (2728, 149842), (3038, 134552), (3058, 133672), (3388, 120652), (3472, 117733), (3751, 108976), (3892, 105028), (4309, 94864), (4312, 94798), (4774, 85624), (5456, 74921), (5929, 68944), (6076, 67276), (6116, 66836), (6776, 60326), (6811, 60016), (7502, 54488), (7784, 52514), (8618, 47432), (8624, 47399), (9548, 42812), (10703, 38192), (11858, 34472), (12152, 33638), (12232, 33418), (13552, 30163), (13622, 30008), (15004, 27244), (15568, 26257), (16709, 24464), (16819, 24304), (17236, 23716), (19096, 21406)]