400108128

素因数分解:

$2^5\times 3^1\times 7^3\times {\mathrm{29}}^1\times {\mathrm{419}}^1$

素因数の和:482

約数の個数: 192

約数和(自身を含む): 1270080000

約数和(自身を除く): 869971872

約数列:

[1, 2, 3, 4, 6, 7, 8, 12, 14, 16, 21, 24, 28, 29, 32, 42, 48, 49, 56, 58, 84, 87, 96, 98, 112, 116, 147, 168, 174, 196, 203, 224, 232, 294, 336, 343, 348, 392, 406, 419, 464, 588, 609, 672, 686, 696, 784, 812, 838, 928, 1029, 1176, 1218, 1257, 1372, 1392, 1421, 1568, 1624, 1676, 2058, 2352, 2436, 2514, 2744, 2784, 2842, 2933, 3248, 3352, 4116, 4263, 4704, 4872, 5028, 5488, 5684, 5866, 6496, 6704, 8232, 8526, 8799, 9744, 9947, 10056, 10976, 11368, 11732, 12151, 13408, 16464, 17052, 17598, 19488, 19894, 20112, 20531, 22736, 23464, 24302, 29841, 32928, 34104, 35196, 36453, 39788, 40224, 41062, 45472, 46928, 48604, 59682, 61593, 68208, 70392, 72906, 79576, 82124, 85057, 93856, 97208, 119364, 123186, 136416, 140784, 143717, 145812, 159152, 164248, 170114, 194416, 238728, 246372, 255171, 281568, 287434, 291624, 318304, 328496, 340228, 388832, 431151, 477456, 492744, 510342, 574868, 583248, 595399, 656992, 680456, 862302, 954912, 985488, 1020684, 1149736, 1166496, 1190798, 1360912, 1724604, 1786197, 1970976, 2041368, 2299472, 2381596, 2721824, 3449208, 3572394, 4082736, 4167793, 4598944, 4763192, 6898416, 7144788, 8165472, 8335586, 9526384, 12503379, 13796832, 14289576, 16671172, 19052768, 25006758, 28579152, 33342344, 50013516, 57158304, 66684688, 100027032, 133369376, 200054064, 400108128]

約数ペア:

[(1, 400108128), (2, 200054064), (3, 133369376), (4, 100027032), (6, 66684688), (7, 57158304), (8, 50013516), (12, 33342344), (14, 28579152), (16, 25006758), (21, 19052768), (24, 16671172), (28, 14289576), (29, 13796832), (32, 12503379), (42, 9526384), (48, 8335586), (49, 8165472), (56, 7144788), (58, 6898416), (84, 4763192), (87, 4598944), (96, 4167793), (98, 4082736), (112, 3572394), (116, 3449208), (147, 2721824), (168, 2381596), (174, 2299472), (196, 2041368), (203, 1970976), (224, 1786197), (232, 1724604), (294, 1360912), (336, 1190798), (343, 1166496), (348, 1149736), (392, 1020684), (406, 985488), (419, 954912), (464, 862302), (588, 680456), (609, 656992), (672, 595399), (686, 583248), (696, 574868), (784, 510342), (812, 492744), (838, 477456), (928, 431151), (1029, 388832), (1176, 340228), (1218, 328496), (1257, 318304), (1372, 291624), (1392, 287434), (1421, 281568), (1568, 255171), (1624, 246372), (1676, 238728), (2058, 194416), (2352, 170114), (2436, 164248), (2514, 159152), (2744, 145812), (2784, 143717), (2842, 140784), (2933, 136416), (3248, 123186), (3352, 119364), (4116, 97208), (4263, 93856), (4704, 85057), (4872, 82124), (5028, 79576), (5488, 72906), (5684, 70392), (5866, 68208), (6496, 61593), (6704, 59682), (8232, 48604), (8526, 46928), (8799, 45472), (9744, 41062), (9947, 40224), (10056, 39788), (10976, 36453), (11368, 35196), (11732, 34104), (12151, 32928), (13408, 29841), (16464, 24302), (17052, 23464), (17598, 22736), (19488, 20531), (19894, 20112)]