408928128

素因数分解:

$2^7\times 3^1\times 7^2\times {\mathrm{103}}^1\times {\mathrm{211}}^1$

素因数の和:345

約数の個数: 192

約数和(自身を含む): 1281870720

約数和(自身を除く): 872942592

約数列:

[1, 2, 3, 4, 6, 7, 8, 12, 14, 16, 21, 24, 28, 32, 42, 48, 49, 56, 64, 84, 96, 98, 103, 112, 128, 147, 168, 192, 196, 206, 211, 224, 294, 309, 336, 384, 392, 412, 422, 448, 588, 618, 633, 672, 721, 784, 824, 844, 896, 1176, 1236, 1266, 1344, 1442, 1477, 1568, 1648, 1688, 2163, 2352, 2472, 2532, 2688, 2884, 2954, 3136, 3296, 3376, 4326, 4431, 4704, 4944, 5047, 5064, 5768, 5908, 6272, 6592, 6752, 8652, 8862, 9408, 9888, 10094, 10128, 10339, 11536, 11816, 13184, 13504, 15141, 17304, 17724, 18816, 19776, 20188, 20256, 20678, 21733, 23072, 23632, 27008, 30282, 31017, 34608, 35448, 39552, 40376, 40512, 41356, 43466, 46144, 47264, 60564, 62034, 65199, 69216, 70896, 80752, 81024, 82712, 86932, 92288, 94528, 121128, 124068, 130398, 138432, 141792, 152131, 161504, 165424, 173864, 189056, 242256, 248136, 260796, 276864, 283584, 304262, 323008, 330848, 347728, 456393, 484512, 496272, 521592, 567168, 608524, 646016, 661696, 695456, 912786, 969024, 992544, 1043184, 1064917, 1217048, 1323392, 1390912, 1825572, 1938048, 1985088, 2086368, 2129834, 2434096, 2781824, 3194751, 3651144, 3970176, 4172736, 4259668, 4868192, 6389502, 7302288, 8345472, 8519336, 9736384, 12779004, 14604576, 17038672, 19472768, 25558008, 29209152, 34077344, 51116016, 58418304, 68154688, 102232032, 136309376, 204464064, 408928128]

約数ペア:

[(1, 408928128), (2, 204464064), (3, 136309376), (4, 102232032), (6, 68154688), (7, 58418304), (8, 51116016), (12, 34077344), (14, 29209152), (16, 25558008), (21, 19472768), (24, 17038672), (28, 14604576), (32, 12779004), (42, 9736384), (48, 8519336), (49, 8345472), (56, 7302288), (64, 6389502), (84, 4868192), (96, 4259668), (98, 4172736), (103, 3970176), (112, 3651144), (128, 3194751), (147, 2781824), (168, 2434096), (192, 2129834), (196, 2086368), (206, 1985088), (211, 1938048), (224, 1825572), (294, 1390912), (309, 1323392), (336, 1217048), (384, 1064917), (392, 1043184), (412, 992544), (422, 969024), (448, 912786), (588, 695456), (618, 661696), (633, 646016), (672, 608524), (721, 567168), (784, 521592), (824, 496272), (844, 484512), (896, 456393), (1176, 347728), (1236, 330848), (1266, 323008), (1344, 304262), (1442, 283584), (1477, 276864), (1568, 260796), (1648, 248136), (1688, 242256), (2163, 189056), (2352, 173864), (2472, 165424), (2532, 161504), (2688, 152131), (2884, 141792), (2954, 138432), (3136, 130398), (3296, 124068), (3376, 121128), (4326, 94528), (4431, 92288), (4704, 86932), (4944, 82712), (5047, 81024), (5064, 80752), (5768, 70896), (5908, 69216), (6272, 65199), (6592, 62034), (6752, 60564), (8652, 47264), (8862, 46144), (9408, 43466), (9888, 41356), (10094, 40512), (10128, 40376), (10339, 39552), (11536, 35448), (11816, 34608), (13184, 31017), (13504, 30282), (15141, 27008), (17304, 23632), (17724, 23072), (18816, 21733), (19776, 20678), (20188, 20256)]