388890784

素因数分解:

$2^5\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{47}}^1\times {\mathrm{439}}^1$

素因数の和:546

約数の個数: 96

約数和(自身を含む): 851558400

約数和(自身を除く): 462667616

約数列:

[1, 2, 4, 8, 16, 19, 31, 32, 38, 47, 62, 76, 94, 124, 152, 188, 248, 304, 376, 439, 496, 589, 608, 752, 878, 893, 992, 1178, 1457, 1504, 1756, 1786, 2356, 2914, 3512, 3572, 4712, 5828, 7024, 7144, 8341, 9424, 11656, 13609, 14048, 14288, 16682, 18848, 20633, 23312, 27218, 27683, 28576, 33364, 41266, 46624, 54436, 55366, 66728, 82532, 108872, 110732, 133456, 165064, 217744, 221464, 258571, 266912, 330128, 392027, 435488, 442928, 517142, 639623, 660256, 784054, 885856, 1034284, 1279246, 1568108, 2068568, 2558492, 3136216, 4137136, 5116984, 6272432, 8274272, 10233968, 12152837, 12544864, 20467936, 24305674, 48611348, 97222696, 194445392, 388890784]

約数ペア:

[(1, 388890784), (2, 194445392), (4, 97222696), (8, 48611348), (16, 24305674), (19, 20467936), (31, 12544864), (32, 12152837), (38, 10233968), (47, 8274272), (62, 6272432), (76, 5116984), (94, 4137136), (124, 3136216), (152, 2558492), (188, 2068568), (248, 1568108), (304, 1279246), (376, 1034284), (439, 885856), (496, 784054), (589, 660256), (608, 639623), (752, 517142), (878, 442928), (893, 435488), (992, 392027), (1178, 330128), (1457, 266912), (1504, 258571), (1756, 221464), (1786, 217744), (2356, 165064), (2914, 133456), (3512, 110732), (3572, 108872), (4712, 82532), (5828, 66728), (7024, 55366), (7144, 54436), (8341, 46624), (9424, 41266), (11656, 33364), (13609, 28576), (14048, 27683), (14288, 27218), (16682, 23312), (18848, 20633)]