2128478848

素因数分解:

$2^7\times {\mathrm{31}}^1\times {\mathrm{47}}^1\times {\mathrm{101}}^1\times {\mathrm{113}}^1$

素因数の和:306

約数の個数: 128

約数和(自身を含む): 4554455040

約数和(自身を除く): 2425976192

約数列:

[1, 2, 4, 8, 16, 31, 32, 47, 62, 64, 94, 101, 113, 124, 128, 188, 202, 226, 248, 376, 404, 452, 496, 752, 808, 904, 992, 1457, 1504, 1616, 1808, 1984, 2914, 3008, 3131, 3232, 3503, 3616, 3968, 4747, 5311, 5828, 6016, 6262, 6464, 7006, 7232, 9494, 10622, 11413, 11656, 12524, 12928, 14012, 14464, 18988, 21244, 22826, 23312, 25048, 28024, 37976, 42488, 45652, 46624, 50096, 56048, 75952, 84976, 91304, 93248, 100192, 112096, 147157, 151904, 164641, 169952, 182608, 186496, 200384, 224192, 294314, 303808, 329282, 339904, 353803, 365216, 400768, 448384, 536411, 588628, 607616, 658564, 679808, 707606, 730432, 1072822, 1177256, 1317128, 1415212, 1460864, 2145644, 2354512, 2634256, 2830424, 4291288, 4709024, 5268512, 5660848, 8582576, 9418048, 10537024, 11321696, 16628741, 17165152, 18836096, 21074048, 22643392, 33257482, 34330304, 45286784, 66514964, 68660608, 133029928, 266059856, 532119712, 1064239424, 2128478848]

約数ペア:

[(1, 2128478848), (2, 1064239424), (4, 532119712), (8, 266059856), (16, 133029928), (31, 68660608), (32, 66514964), (47, 45286784), (62, 34330304), (64, 33257482), (94, 22643392), (101, 21074048), (113, 18836096), (124, 17165152), (128, 16628741), (188, 11321696), (202, 10537024), (226, 9418048), (248, 8582576), (376, 5660848), (404, 5268512), (452, 4709024), (496, 4291288), (752, 2830424), (808, 2634256), (904, 2354512), (992, 2145644), (1457, 1460864), (1504, 1415212), (1616, 1317128), (1808, 1177256), (1984, 1072822), (2914, 730432), (3008, 707606), (3131, 679808), (3232, 658564), (3503, 607616), (3616, 588628), (3968, 536411), (4747, 448384), (5311, 400768), (5828, 365216), (6016, 353803), (6262, 339904), (6464, 329282), (7006, 303808), (7232, 294314), (9494, 224192), (10622, 200384), (11413, 186496), (11656, 182608), (12524, 169952), (12928, 164641), (14012, 151904), (14464, 147157), (18988, 112096), (21244, 100192), (22826, 93248), (23312, 91304), (25048, 84976), (28024, 75952), (37976, 56048), (42488, 50096), (45652, 46624)]