398380832000

素因数分解:

$2^8\times 5^3\times {\mathrm{1091}}^1\times {\mathrm{11411}}^1$

素因数の和:12533

約数の個数: 144

約数和(自身を含む): 993413139264

約数和(自身を除く): 595032307264

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 32, 40, 50, 64, 80, 100, 125, 128, 160, 200, 250, 256, 320, 400, 500, 640, 800, 1000, 1091, 1280, 1600, 2000, 2182, 3200, 4000, 4364, 5455, 6400, 8000, 8728, 10910, 11411, 16000, 17456, 21820, 22822, 27275, 32000, 34912, 43640, 45644, 54550, 57055, 69824, 87280, 91288, 109100, 114110, 136375, 139648, 174560, 182576, 218200, 228220, 272750, 279296, 285275, 349120, 365152, 436400, 456440, 545500, 570550, 698240, 730304, 872800, 912880, 1091000, 1141100, 1396480, 1426375, 1460608, 1745600, 1825760, 2182000, 2282200, 2852750, 2921216, 3491200, 3651520, 4364000, 4564400, 5705500, 6982400, 7303040, 8728000, 9128800, 11411000, 12449401, 14606080, 17456000, 18257600, 22822000, 24898802, 34912000, 36515200, 45644000, 49797604, 62247005, 73030400, 91288000, 99595208, 124494010, 182576000, 199190416, 248988020, 311235025, 365152000, 398380832, 497976040, 622470050, 796761664, 995952080, 1244940100, 1556175125, 1593523328, 1991904160, 2489880200, 3112350250, 3187046656, 3983808320, 4979760400, 6224700500, 7967616640, 9959520800, 12449401000, 15935233280, 19919041600, 24898802000, 39838083200, 49797604000, 79676166400, 99595208000, 199190416000, 398380832000]

約数ペア:

[(1, 398380832000), (2, 199190416000), (4, 99595208000), (5, 79676166400), (8, 49797604000), (10, 39838083200), (16, 24898802000), (20, 19919041600), (25, 15935233280), (32, 12449401000), (40, 9959520800), (50, 7967616640), (64, 6224700500), (80, 4979760400), (100, 3983808320), (125, 3187046656), (128, 3112350250), (160, 2489880200), (200, 1991904160), (250, 1593523328), (256, 1556175125), (320, 1244940100), (400, 995952080), (500, 796761664), (640, 622470050), (800, 497976040), (1000, 398380832), (1091, 365152000), (1280, 311235025), (1600, 248988020), (2000, 199190416), (2182, 182576000), (3200, 124494010), (4000, 99595208), (4364, 91288000), (5455, 73030400), (6400, 62247005), (8000, 49797604), (8728, 45644000), (10910, 36515200), (11411, 34912000), (16000, 24898802), (17456, 22822000), (21820, 18257600), (22822, 17456000), (27275, 14606080), (32000, 12449401), (34912, 11411000), (43640, 9128800), (45644, 8728000), (54550, 7303040), (57055, 6982400), (69824, 5705500), (87280, 4564400), (91288, 4364000), (109100, 3651520), (114110, 3491200), (136375, 2921216), (139648, 2852750), (174560, 2282200), (182576, 2182000), (218200, 1825760), (228220, 1745600), (272750, 1460608), (279296, 1426375), (285275, 1396480), (349120, 1141100), (365152, 1091000), (436400, 912880), (456440, 872800), (545500, 730304), (570550, 698240)]