388280453600

素因数分解:

$2^5\times 5^2\times {\mathrm{13}}^1\times {\mathrm{997}}^1\times {\mathrm{37447}}^1$

素因数の和:38477

約数の個数: 144

約数和(自身を含む): 1021855409568

約数和(自身を除く): 633574955968

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 25, 26, 32, 40, 50, 52, 65, 80, 100, 104, 130, 160, 200, 208, 260, 325, 400, 416, 520, 650, 800, 997, 1040, 1300, 1994, 2080, 2600, 3988, 4985, 5200, 7976, 9970, 10400, 12961, 15952, 19940, 24925, 25922, 31904, 37447, 39880, 49850, 51844, 64805, 74894, 79760, 99700, 103688, 129610, 149788, 159520, 187235, 199400, 207376, 259220, 299576, 324025, 374470, 398800, 414752, 486811, 518440, 599152, 648050, 748940, 797600, 936175, 973622, 1036880, 1198304, 1296100, 1497880, 1872350, 1947244, 2073760, 2434055, 2592200, 2995760, 3744700, 3894488, 4868110, 5184400, 5991520, 7489400, 7788976, 9736220, 10368800, 12170275, 14978800, 15577952, 19472440, 24340550, 29957600, 37334659, 38944880, 48681100, 74669318, 77889760, 97362200, 149338636, 186673295, 194724400, 298677272, 373346590, 389448800, 485350567, 597354544, 746693180, 933366475, 970701134, 1194709088, 1493386360, 1866732950, 1941402268, 2426752835, 2986772720, 3733465900, 3882804536, 4853505670, 5973545440, 7466931800, 7765609072, 9707011340, 12133764175, 14933863600, 15531218144, 19414022680, 24267528350, 29867727200, 38828045360, 48535056700, 77656090720, 97070113400, 194140226800, 388280453600]

約数ペア:

[(1, 388280453600), (2, 194140226800), (4, 97070113400), (5, 77656090720), (8, 48535056700), (10, 38828045360), (13, 29867727200), (16, 24267528350), (20, 19414022680), (25, 15531218144), (26, 14933863600), (32, 12133764175), (40, 9707011340), (50, 7765609072), (52, 7466931800), (65, 5973545440), (80, 4853505670), (100, 3882804536), (104, 3733465900), (130, 2986772720), (160, 2426752835), (200, 1941402268), (208, 1866732950), (260, 1493386360), (325, 1194709088), (400, 970701134), (416, 933366475), (520, 746693180), (650, 597354544), (800, 485350567), (997, 389448800), (1040, 373346590), (1300, 298677272), (1994, 194724400), (2080, 186673295), (2600, 149338636), (3988, 97362200), (4985, 77889760), (5200, 74669318), (7976, 48681100), (9970, 38944880), (10400, 37334659), (12961, 29957600), (15952, 24340550), (19940, 19472440), (24925, 15577952), (25922, 14978800), (31904, 12170275), (37447, 10368800), (39880, 9736220), (49850, 7788976), (51844, 7489400), (64805, 5991520), (74894, 5184400), (79760, 4868110), (99700, 3894488), (103688, 3744700), (129610, 2995760), (149788, 2592200), (159520, 2434055), (187235, 2073760), (199400, 1947244), (207376, 1872350), (259220, 1497880), (299576, 1296100), (324025, 1198304), (374470, 1036880), (398800, 973622), (414752, 936175), (486811, 797600), (518440, 748940), (599152, 648050)]