381520000

素因数分解:

$2^7\times 5^4\times {\mathrm{19}}^1\times {\mathrm{251}}^1$

素因数の和:304

約数の個数: 160

約数和(自身を含む): 1003741200

約数和(自身を除く): 622221200

約数列:

[1, 2, 4, 5, 8, 10, 16, 19, 20, 25, 32, 38, 40, 50, 64, 76, 80, 95, 100, 125, 128, 152, 160, 190, 200, 250, 251, 304, 320, 380, 400, 475, 500, 502, 608, 625, 640, 760, 800, 950, 1000, 1004, 1216, 1250, 1255, 1520, 1600, 1900, 2000, 2008, 2375, 2432, 2500, 2510, 3040, 3200, 3800, 4000, 4016, 4750, 4769, 5000, 5020, 6080, 6275, 7600, 8000, 8032, 9500, 9538, 10000, 10040, 11875, 12160, 12550, 15200, 16000, 16064, 19000, 19076, 20000, 20080, 23750, 23845, 25100, 30400, 31375, 32128, 38000, 38152, 40000, 40160, 47500, 47690, 50200, 60800, 62750, 76000, 76304, 80000, 80320, 95000, 95380, 100400, 119225, 125500, 152000, 152608, 156875, 160640, 190000, 190760, 200800, 238450, 251000, 304000, 305216, 313750, 380000, 381520, 401600, 476900, 502000, 596125, 610432, 627500, 760000, 763040, 803200, 953800, 1004000, 1192250, 1255000, 1520000, 1526080, 1907600, 2008000, 2384500, 2510000, 2980625, 3052160, 3815200, 4016000, 4769000, 5020000, 5961250, 7630400, 9538000, 10040000, 11922500, 15260800, 19076000, 20080000, 23845000, 38152000, 47690000, 76304000, 95380000, 190760000, 381520000]

約数ペア:

[(1, 381520000), (2, 190760000), (4, 95380000), (5, 76304000), (8, 47690000), (10, 38152000), (16, 23845000), (19, 20080000), (20, 19076000), (25, 15260800), (32, 11922500), (38, 10040000), (40, 9538000), (50, 7630400), (64, 5961250), (76, 5020000), (80, 4769000), (95, 4016000), (100, 3815200), (125, 3052160), (128, 2980625), (152, 2510000), (160, 2384500), (190, 2008000), (200, 1907600), (250, 1526080), (251, 1520000), (304, 1255000), (320, 1192250), (380, 1004000), (400, 953800), (475, 803200), (500, 763040), (502, 760000), (608, 627500), (625, 610432), (640, 596125), (760, 502000), (800, 476900), (950, 401600), (1000, 381520), (1004, 380000), (1216, 313750), (1250, 305216), (1255, 304000), (1520, 251000), (1600, 238450), (1900, 200800), (2000, 190760), (2008, 190000), (2375, 160640), (2432, 156875), (2500, 152608), (2510, 152000), (3040, 125500), (3200, 119225), (3800, 100400), (4000, 95380), (4016, 95000), (4750, 80320), (4769, 80000), (5000, 76304), (5020, 76000), (6080, 62750), (6275, 60800), (7600, 50200), (8000, 47690), (8032, 47500), (9500, 40160), (9538, 40000), (10000, 38152), (10040, 38000), (11875, 32128), (12160, 31375), (12550, 30400), (15200, 25100), (16000, 23845), (16064, 23750), (19000, 20080), (19076, 20000)]