211573760

素因数分解:

$2^{10}\times 5^1\times {\mathrm{31}}^2\times {\mathrm{43}}^1$

素因数の和:130

約数の個数: 132

約数和(自身を含む): 536625144

約数和(自身を除く): 325051384

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 31, 32, 40, 43, 62, 64, 80, 86, 124, 128, 155, 160, 172, 215, 248, 256, 310, 320, 344, 430, 496, 512, 620, 640, 688, 860, 961, 992, 1024, 1240, 1280, 1333, 1376, 1720, 1922, 1984, 2480, 2560, 2666, 2752, 3440, 3844, 3968, 4805, 4960, 5120, 5332, 5504, 6665, 6880, 7688, 7936, 9610, 9920, 10664, 11008, 13330, 13760, 15376, 15872, 19220, 19840, 21328, 22016, 26660, 27520, 30752, 31744, 38440, 39680, 41323, 42656, 44032, 53320, 55040, 61504, 76880, 79360, 82646, 85312, 106640, 110080, 123008, 153760, 158720, 165292, 170624, 206615, 213280, 220160, 246016, 307520, 330584, 341248, 413230, 426560, 492032, 615040, 661168, 682496, 826460, 853120, 984064, 1230080, 1322336, 1364992, 1652920, 1706240, 2460160, 2644672, 3305840, 3412480, 4920320, 5289344, 6611680, 6824960, 10578688, 13223360, 21157376, 26446720, 42314752, 52893440, 105786880, 211573760]

約数ペア:

[(1, 211573760), (2, 105786880), (4, 52893440), (5, 42314752), (8, 26446720), (10, 21157376), (16, 13223360), (20, 10578688), (31, 6824960), (32, 6611680), (40, 5289344), (43, 4920320), (62, 3412480), (64, 3305840), (80, 2644672), (86, 2460160), (124, 1706240), (128, 1652920), (155, 1364992), (160, 1322336), (172, 1230080), (215, 984064), (248, 853120), (256, 826460), (310, 682496), (320, 661168), (344, 615040), (430, 492032), (496, 426560), (512, 413230), (620, 341248), (640, 330584), (688, 307520), (860, 246016), (961, 220160), (992, 213280), (1024, 206615), (1240, 170624), (1280, 165292), (1333, 158720), (1376, 153760), (1720, 123008), (1922, 110080), (1984, 106640), (2480, 85312), (2560, 82646), (2666, 79360), (2752, 76880), (3440, 61504), (3844, 55040), (3968, 53320), (4805, 44032), (4960, 42656), (5120, 41323), (5332, 39680), (5504, 38440), (6665, 31744), (6880, 30752), (7688, 27520), (7936, 26660), (9610, 22016), (9920, 21328), (10664, 19840), (11008, 19220), (13330, 15872), (13760, 15376)]