211360480

素因数分解:

$2^5\times 5^1\times {\mathrm{31}}^1\times {\mathrm{43}}^1\times {\mathrm{991}}^1$

素因数の和:1080

約数の個数: 96

約数和(自身を含む): 527966208

約数和(自身を除く): 316605728

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 31, 32, 40, 43, 62, 80, 86, 124, 155, 160, 172, 215, 248, 310, 344, 430, 496, 620, 688, 860, 991, 992, 1240, 1333, 1376, 1720, 1982, 2480, 2666, 3440, 3964, 4955, 4960, 5332, 6665, 6880, 7928, 9910, 10664, 13330, 15856, 19820, 21328, 26660, 30721, 31712, 39640, 42613, 42656, 53320, 61442, 79280, 85226, 106640, 122884, 153605, 158560, 170452, 213065, 213280, 245768, 307210, 340904, 426130, 491536, 614420, 681808, 852260, 983072, 1228840, 1321003, 1363616, 1704520, 2457680, 2642006, 3409040, 4915360, 5284012, 6605015, 6818080, 10568024, 13210030, 21136048, 26420060, 42272096, 52840120, 105680240, 211360480]

約数ペア:

[(1, 211360480), (2, 105680240), (4, 52840120), (5, 42272096), (8, 26420060), (10, 21136048), (16, 13210030), (20, 10568024), (31, 6818080), (32, 6605015), (40, 5284012), (43, 4915360), (62, 3409040), (80, 2642006), (86, 2457680), (124, 1704520), (155, 1363616), (160, 1321003), (172, 1228840), (215, 983072), (248, 852260), (310, 681808), (344, 614420), (430, 491536), (496, 426130), (620, 340904), (688, 307210), (860, 245768), (991, 213280), (992, 213065), (1240, 170452), (1333, 158560), (1376, 153605), (1720, 122884), (1982, 106640), (2480, 85226), (2666, 79280), (3440, 61442), (3964, 53320), (4955, 42656), (4960, 42613), (5332, 39640), (6665, 31712), (6880, 30721), (7928, 26660), (9910, 21328), (10664, 19820), (13330, 15856)]