255540936

素因数分解:

$2^3\times 3^1\times 7^1\times {\mathrm{31}}^1\times {\mathrm{139}}^1\times {\mathrm{353}}^1$

素因数の和:539

約数の個数: 128

約数和(自身を含む): 761241600

約数和(自身を除く): 505700664

約数列:

[1, 2, 3, 4, 6, 7, 8, 12, 14, 21, 24, 28, 31, 42, 56, 62, 84, 93, 124, 139, 168, 186, 217, 248, 278, 353, 372, 417, 434, 556, 651, 706, 744, 834, 868, 973, 1059, 1112, 1302, 1412, 1668, 1736, 1946, 2118, 2471, 2604, 2824, 2919, 3336, 3892, 4236, 4309, 4942, 5208, 5838, 7413, 7784, 8472, 8618, 9884, 10943, 11676, 12927, 14826, 17236, 19768, 21886, 23352, 25854, 29652, 30163, 32829, 34472, 43772, 49067, 51708, 59304, 60326, 65658, 76601, 87544, 90489, 98134, 103416, 120652, 131316, 147201, 153202, 180978, 196268, 229803, 241304, 262632, 294402, 306404, 343469, 361956, 392536, 459606, 588804, 612808, 686938, 723912, 919212, 1030407, 1177608, 1373876, 1521077, 1838424, 2060814, 2747752, 3042154, 4121628, 4563231, 6084308, 8243256, 9126462, 10647539, 12168616, 18252924, 21295078, 31942617, 36505848, 42590156, 63885234, 85180312, 127770468, 255540936]

約数ペア:

[(1, 255540936), (2, 127770468), (3, 85180312), (4, 63885234), (6, 42590156), (7, 36505848), (8, 31942617), (12, 21295078), (14, 18252924), (21, 12168616), (24, 10647539), (28, 9126462), (31, 8243256), (42, 6084308), (56, 4563231), (62, 4121628), (84, 3042154), (93, 2747752), (124, 2060814), (139, 1838424), (168, 1521077), (186, 1373876), (217, 1177608), (248, 1030407), (278, 919212), (353, 723912), (372, 686938), (417, 612808), (434, 588804), (556, 459606), (651, 392536), (706, 361956), (744, 343469), (834, 306404), (868, 294402), (973, 262632), (1059, 241304), (1112, 229803), (1302, 196268), (1412, 180978), (1668, 153202), (1736, 147201), (1946, 131316), (2118, 120652), (2471, 103416), (2604, 98134), (2824, 90489), (2919, 87544), (3336, 76601), (3892, 65658), (4236, 60326), (4309, 59304), (4942, 51708), (5208, 49067), (5838, 43772), (7413, 34472), (7784, 32829), (8472, 30163), (8618, 29652), (9884, 25854), (10943, 23352), (11676, 21886), (12927, 19768), (14826, 17236)]