354897920

素因数分解:

$2^{12}\times 5^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{43}}^1$

素因数の和:116

約数の個数: 208

約数和(自身を含む): 968765952

約数和(自身を除く): 613868032

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 31, 32, 40, 43, 52, 62, 64, 65, 80, 86, 104, 124, 128, 130, 155, 160, 172, 208, 215, 248, 256, 260, 310, 320, 344, 403, 416, 430, 496, 512, 520, 559, 620, 640, 688, 806, 832, 860, 992, 1024, 1040, 1118, 1240, 1280, 1333, 1376, 1612, 1664, 1720, 1984, 2015, 2048, 2080, 2236, 2480, 2560, 2666, 2752, 2795, 3224, 3328, 3440, 3968, 4030, 4096, 4160, 4472, 4960, 5120, 5332, 5504, 5590, 6448, 6656, 6665, 6880, 7936, 8060, 8320, 8944, 9920, 10240, 10664, 11008, 11180, 12896, 13312, 13330, 13760, 15872, 16120, 16640, 17329, 17888, 19840, 20480, 21328, 22016, 22360, 25792, 26624, 26660, 27520, 31744, 32240, 33280, 34658, 35776, 39680, 42656, 44032, 44720, 51584, 53248, 53320, 55040, 63488, 64480, 66560, 69316, 71552, 79360, 85312, 86645, 88064, 89440, 103168, 106640, 110080, 126976, 128960, 133120, 138632, 143104, 158720, 170624, 173290, 176128, 178880, 206336, 213280, 220160, 257920, 266240, 277264, 286208, 317440, 341248, 346580, 357760, 412672, 426560, 440320, 515840, 554528, 572416, 634880, 682496, 693160, 715520, 825344, 853120, 880640, 1031680, 1109056, 1144832, 1364992, 1386320, 1431040, 1650688, 1706240, 2063360, 2218112, 2289664, 2729984, 2772640, 2862080, 3412480, 4126720, 4436224, 5459968, 5545280, 5724160, 6824960, 8253440, 8872448, 11090560, 11448320, 13649920, 17744896, 22181120, 27299840, 35489792, 44362240, 70979584, 88724480, 177448960, 354897920]

約数ペア:

[(1, 354897920), (2, 177448960), (4, 88724480), (5, 70979584), (8, 44362240), (10, 35489792), (13, 27299840), (16, 22181120), (20, 17744896), (26, 13649920), (31, 11448320), (32, 11090560), (40, 8872448), (43, 8253440), (52, 6824960), (62, 5724160), (64, 5545280), (65, 5459968), (80, 4436224), (86, 4126720), (104, 3412480), (124, 2862080), (128, 2772640), (130, 2729984), (155, 2289664), (160, 2218112), (172, 2063360), (208, 1706240), (215, 1650688), (248, 1431040), (256, 1386320), (260, 1364992), (310, 1144832), (320, 1109056), (344, 1031680), (403, 880640), (416, 853120), (430, 825344), (496, 715520), (512, 693160), (520, 682496), (559, 634880), (620, 572416), (640, 554528), (688, 515840), (806, 440320), (832, 426560), (860, 412672), (992, 357760), (1024, 346580), (1040, 341248), (1118, 317440), (1240, 286208), (1280, 277264), (1333, 266240), (1376, 257920), (1612, 220160), (1664, 213280), (1720, 206336), (1984, 178880), (2015, 176128), (2048, 173290), (2080, 170624), (2236, 158720), (2480, 143104), (2560, 138632), (2666, 133120), (2752, 128960), (2795, 126976), (3224, 110080), (3328, 106640), (3440, 103168), (3968, 89440), (4030, 88064), (4096, 86645), (4160, 85312), (4472, 79360), (4960, 71552), (5120, 69316), (5332, 66560), (5504, 64480), (5590, 63488), (6448, 55040), (6656, 53320), (6665, 53248), (6880, 51584), (7936, 44720), (8060, 44032), (8320, 42656), (8944, 39680), (9920, 35776), (10240, 34658), (10664, 33280), (11008, 32240), (11180, 31744), (12896, 27520), (13312, 26660), (13330, 26624), (13760, 25792), (15872, 22360), (16120, 22016), (16640, 21328), (17329, 20480), (17888, 19840)]