388521770

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{43}}^1\times {\mathrm{9929}}^1$

素因数の和:9999

約数の個数: 64

約数和(自身を含む): 880830720

約数和(自身を除く): 492308950

約数列:

[1, 2, 5, 7, 10, 13, 14, 26, 35, 43, 65, 70, 86, 91, 130, 182, 215, 301, 430, 455, 559, 602, 910, 1118, 1505, 2795, 3010, 3913, 5590, 7826, 9929, 19565, 19858, 39130, 49645, 69503, 99290, 129077, 139006, 258154, 347515, 426947, 645385, 695030, 853894, 903539, 1290770, 1807078, 2134735, 2988629, 4269470, 4517695, 5550311, 5977258, 9035390, 11100622, 14943145, 27751555, 29886290, 38852177, 55503110, 77704354, 194260885, 388521770]

約数ペア:

[(1, 388521770), (2, 194260885), (5, 77704354), (7, 55503110), (10, 38852177), (13, 29886290), (14, 27751555), (26, 14943145), (35, 11100622), (43, 9035390), (65, 5977258), (70, 5550311), (86, 4517695), (91, 4269470), (130, 2988629), (182, 2134735), (215, 1807078), (301, 1290770), (430, 903539), (455, 853894), (559, 695030), (602, 645385), (910, 426947), (1118, 347515), (1505, 258154), (2795, 139006), (3010, 129077), (3913, 99290), (5590, 69503), (7826, 49645), (9929, 39130), (19565, 19858)]