388587520

素因数分解:

$2^{13}\times 5^1\times {\mathrm{53}}^1\times {\mathrm{179}}^1$

素因数の和:263

約数の個数: 112

約数和(自身を含む): 955456560

約数和(自身を除く): 566869040

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 53, 64, 80, 106, 128, 160, 179, 212, 256, 265, 320, 358, 424, 512, 530, 640, 716, 848, 895, 1024, 1060, 1280, 1432, 1696, 1790, 2048, 2120, 2560, 2864, 3392, 3580, 4096, 4240, 5120, 5728, 6784, 7160, 8192, 8480, 9487, 10240, 11456, 13568, 14320, 16960, 18974, 20480, 22912, 27136, 28640, 33920, 37948, 40960, 45824, 47435, 54272, 57280, 67840, 75896, 91648, 94870, 108544, 114560, 135680, 151792, 183296, 189740, 217088, 229120, 271360, 303584, 366592, 379480, 434176, 458240, 542720, 607168, 733184, 758960, 916480, 1085440, 1214336, 1466368, 1517920, 1832960, 2170880, 2428672, 3035840, 3665920, 4857344, 6071680, 7331840, 9714688, 12143360, 19429376, 24286720, 38858752, 48573440, 77717504, 97146880, 194293760, 388587520]

約数ペア:

[(1, 388587520), (2, 194293760), (4, 97146880), (5, 77717504), (8, 48573440), (10, 38858752), (16, 24286720), (20, 19429376), (32, 12143360), (40, 9714688), (53, 7331840), (64, 6071680), (80, 4857344), (106, 3665920), (128, 3035840), (160, 2428672), (179, 2170880), (212, 1832960), (256, 1517920), (265, 1466368), (320, 1214336), (358, 1085440), (424, 916480), (512, 758960), (530, 733184), (640, 607168), (716, 542720), (848, 458240), (895, 434176), (1024, 379480), (1060, 366592), (1280, 303584), (1432, 271360), (1696, 229120), (1790, 217088), (2048, 189740), (2120, 183296), (2560, 151792), (2864, 135680), (3392, 114560), (3580, 108544), (4096, 94870), (4240, 91648), (5120, 75896), (5728, 67840), (6784, 57280), (7160, 54272), (8192, 47435), (8480, 45824), (9487, 40960), (10240, 37948), (11456, 33920), (13568, 28640), (14320, 27136), (16960, 22912), (18974, 20480)]