387942730

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{67}}^1\times {\mathrm{181}}^1\times {\mathrm{457}}^1$

素因数の和:719

約数の個数: 64

約数和(自身を含む): 816221952

約数和(自身を除く): 428279222

約数列:

[1, 2, 5, 7, 10, 14, 35, 67, 70, 134, 181, 335, 362, 457, 469, 670, 905, 914, 938, 1267, 1810, 2285, 2345, 2534, 3199, 4570, 4690, 6335, 6398, 12127, 12670, 15995, 24254, 30619, 31990, 60635, 61238, 82717, 84889, 121270, 153095, 165434, 169778, 214333, 306190, 413585, 424445, 428666, 579019, 827170, 848890, 1071665, 1158038, 2143330, 2895095, 5542039, 5790190, 11084078, 27710195, 38794273, 55420390, 77588546, 193971365, 387942730]

約数ペア:

[(1, 387942730), (2, 193971365), (5, 77588546), (7, 55420390), (10, 38794273), (14, 27710195), (35, 11084078), (67, 5790190), (70, 5542039), (134, 2895095), (181, 2143330), (335, 1158038), (362, 1071665), (457, 848890), (469, 827170), (670, 579019), (905, 428666), (914, 424445), (938, 413585), (1267, 306190), (1810, 214333), (2285, 169778), (2345, 165434), (2534, 153095), (3199, 121270), (4570, 84889), (4690, 82717), (6335, 61238), (6398, 60635), (12127, 31990), (12670, 30619), (15995, 24254)]