278873448

素因数分解:

$2^3\times 3^1\times 7^1\times {\mathrm{97}}^1\times {\mathrm{109}}^1\times {\mathrm{157}}^1$

素因数の和:379

約数の個数: 128

約数和(自身を含む): 817555200

約数和(自身を除く): 538681752

約数列:

[1, 2, 3, 4, 6, 7, 8, 12, 14, 21, 24, 28, 42, 56, 84, 97, 109, 157, 168, 194, 218, 291, 314, 327, 388, 436, 471, 582, 628, 654, 679, 763, 776, 872, 942, 1099, 1164, 1256, 1308, 1358, 1526, 1884, 2037, 2198, 2289, 2328, 2616, 2716, 3052, 3297, 3768, 4074, 4396, 4578, 5432, 6104, 6594, 8148, 8792, 9156, 10573, 13188, 15229, 16296, 17113, 18312, 21146, 26376, 30458, 31719, 34226, 42292, 45687, 51339, 60916, 63438, 68452, 74011, 84584, 91374, 102678, 106603, 119791, 121832, 126876, 136904, 148022, 182748, 205356, 213206, 222033, 239582, 253752, 296044, 319809, 359373, 365496, 410712, 426412, 444066, 479164, 592088, 639618, 718746, 852824, 888132, 958328, 1279236, 1437492, 1659961, 1776264, 2558472, 2874984, 3319922, 4979883, 6639844, 9959766, 11619727, 13279688, 19919532, 23239454, 34859181, 39839064, 46478908, 69718362, 92957816, 139436724, 278873448]

約数ペア:

[(1, 278873448), (2, 139436724), (3, 92957816), (4, 69718362), (6, 46478908), (7, 39839064), (8, 34859181), (12, 23239454), (14, 19919532), (21, 13279688), (24, 11619727), (28, 9959766), (42, 6639844), (56, 4979883), (84, 3319922), (97, 2874984), (109, 2558472), (157, 1776264), (168, 1659961), (194, 1437492), (218, 1279236), (291, 958328), (314, 888132), (327, 852824), (388, 718746), (436, 639618), (471, 592088), (582, 479164), (628, 444066), (654, 426412), (679, 410712), (763, 365496), (776, 359373), (872, 319809), (942, 296044), (1099, 253752), (1164, 239582), (1256, 222033), (1308, 213206), (1358, 205356), (1526, 182748), (1884, 148022), (2037, 136904), (2198, 126876), (2289, 121832), (2328, 119791), (2616, 106603), (2716, 102678), (3052, 91374), (3297, 84584), (3768, 74011), (4074, 68452), (4396, 63438), (4578, 60916), (5432, 51339), (6104, 45687), (6594, 42292), (8148, 34226), (8792, 31719), (9156, 30458), (10573, 26376), (13188, 21146), (15229, 18312), (16296, 17113)]