311669008

素因数分解:

$2^4\times 7^5\times {\mathrm{19}}^1\times {\mathrm{61}}^1$

素因数の和:123

約数の個数: 120

約数和(自身を含む): 753731520

約数和(自身を除く): 442062512

約数列:

[1, 2, 4, 7, 8, 14, 16, 19, 28, 38, 49, 56, 61, 76, 98, 112, 122, 133, 152, 196, 244, 266, 304, 343, 392, 427, 488, 532, 686, 784, 854, 931, 976, 1064, 1159, 1372, 1708, 1862, 2128, 2318, 2401, 2744, 2989, 3416, 3724, 4636, 4802, 5488, 5978, 6517, 6832, 7448, 8113, 9272, 9604, 11956, 13034, 14896, 16226, 16807, 18544, 19208, 20923, 23912, 26068, 32452, 33614, 38416, 41846, 45619, 47824, 52136, 56791, 64904, 67228, 83692, 91238, 104272, 113582, 129808, 134456, 146461, 167384, 182476, 227164, 268912, 292922, 319333, 334768, 364952, 397537, 454328, 585844, 638666, 729904, 795074, 908656, 1025227, 1171688, 1277332, 1590148, 2050454, 2343376, 2554664, 2782759, 3180296, 4100908, 5109328, 5565518, 6360592, 8201816, 11131036, 16403632, 19479313, 22262072, 38958626, 44524144, 77917252, 155834504, 311669008]

約数ペア:

[(1, 311669008), (2, 155834504), (4, 77917252), (7, 44524144), (8, 38958626), (14, 22262072), (16, 19479313), (19, 16403632), (28, 11131036), (38, 8201816), (49, 6360592), (56, 5565518), (61, 5109328), (76, 4100908), (98, 3180296), (112, 2782759), (122, 2554664), (133, 2343376), (152, 2050454), (196, 1590148), (244, 1277332), (266, 1171688), (304, 1025227), (343, 908656), (392, 795074), (427, 729904), (488, 638666), (532, 585844), (686, 454328), (784, 397537), (854, 364952), (931, 334768), (976, 319333), (1064, 292922), (1159, 268912), (1372, 227164), (1708, 182476), (1862, 167384), (2128, 146461), (2318, 134456), (2401, 129808), (2744, 113582), (2989, 104272), (3416, 91238), (3724, 83692), (4636, 67228), (4802, 64904), (5488, 56791), (5978, 52136), (6517, 47824), (6832, 45619), (7448, 41846), (8113, 38416), (9272, 33614), (9604, 32452), (11956, 26068), (13034, 23912), (14896, 20923), (16226, 19208), (16807, 18544)]