209459808

素因数分解:

$2^5\times 3^2\times {\mathrm{29}}^1\times {\mathrm{31}}^1\times {\mathrm{809}}^1$

素因数の和:885

約数の個数: 144

約数和(自身を含む): 636854400

約数和(自身を除く): 427394592

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 24, 29, 31, 32, 36, 48, 58, 62, 72, 87, 93, 96, 116, 124, 144, 174, 186, 232, 248, 261, 279, 288, 348, 372, 464, 496, 522, 558, 696, 744, 809, 899, 928, 992, 1044, 1116, 1392, 1488, 1618, 1798, 2088, 2232, 2427, 2697, 2784, 2976, 3236, 3596, 4176, 4464, 4854, 5394, 6472, 7192, 7281, 8091, 8352, 8928, 9708, 10788, 12944, 14384, 14562, 16182, 19416, 21576, 23461, 25079, 25888, 28768, 29124, 32364, 38832, 43152, 46922, 50158, 58248, 64728, 70383, 75237, 77664, 86304, 93844, 100316, 116496, 129456, 140766, 150474, 187688, 200632, 211149, 225711, 232992, 258912, 281532, 300948, 375376, 401264, 422298, 451422, 563064, 601896, 727291, 750752, 802528, 844596, 902844, 1126128, 1203792, 1454582, 1689192, 1805688, 2181873, 2252256, 2407584, 2909164, 3378384, 3611376, 4363746, 5818328, 6545619, 6756768, 7222752, 8727492, 11636656, 13091238, 17454984, 23273312, 26182476, 34909968, 52364952, 69819936, 104729904, 209459808]

約数ペア:

[(1, 209459808), (2, 104729904), (3, 69819936), (4, 52364952), (6, 34909968), (8, 26182476), (9, 23273312), (12, 17454984), (16, 13091238), (18, 11636656), (24, 8727492), (29, 7222752), (31, 6756768), (32, 6545619), (36, 5818328), (48, 4363746), (58, 3611376), (62, 3378384), (72, 2909164), (87, 2407584), (93, 2252256), (96, 2181873), (116, 1805688), (124, 1689192), (144, 1454582), (174, 1203792), (186, 1126128), (232, 902844), (248, 844596), (261, 802528), (279, 750752), (288, 727291), (348, 601896), (372, 563064), (464, 451422), (496, 422298), (522, 401264), (558, 375376), (696, 300948), (744, 281532), (809, 258912), (899, 232992), (928, 225711), (992, 211149), (1044, 200632), (1116, 187688), (1392, 150474), (1488, 140766), (1618, 129456), (1798, 116496), (2088, 100316), (2232, 93844), (2427, 86304), (2697, 77664), (2784, 75237), (2976, 70383), (3236, 64728), (3596, 58248), (4176, 50158), (4464, 46922), (4854, 43152), (5394, 38832), (6472, 32364), (7192, 29124), (7281, 28768), (8091, 25888), (8352, 25079), (8928, 23461), (9708, 21576), (10788, 19416), (12944, 16182), (14384, 14562)]