399912000

素因数分解:

$2^6\times 3^1\times 5^3\times {\mathrm{19}}^1\times {\mathrm{877}}^1$

素因数の和:926

約数の個数: 224

約数和(自身を含む): 1391594880

約数和(自身を除く): 991682880

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 19, 20, 24, 25, 30, 32, 38, 40, 48, 50, 57, 60, 64, 75, 76, 80, 95, 96, 100, 114, 120, 125, 150, 152, 160, 190, 192, 200, 228, 240, 250, 285, 300, 304, 320, 375, 380, 400, 456, 475, 480, 500, 570, 600, 608, 750, 760, 800, 877, 912, 950, 960, 1000, 1140, 1200, 1216, 1425, 1500, 1520, 1600, 1754, 1824, 1900, 2000, 2280, 2375, 2400, 2631, 2850, 3000, 3040, 3508, 3648, 3800, 4000, 4385, 4560, 4750, 4800, 5262, 5700, 6000, 6080, 7016, 7125, 7600, 8000, 8770, 9120, 9500, 10524, 11400, 12000, 13155, 14032, 14250, 15200, 16663, 17540, 18240, 19000, 21048, 21925, 22800, 24000, 26310, 28064, 28500, 30400, 33326, 35080, 38000, 42096, 43850, 45600, 49989, 52620, 56128, 57000, 65775, 66652, 70160, 76000, 83315, 84192, 87700, 91200, 99978, 105240, 109625, 114000, 131550, 133304, 140320, 152000, 166630, 168384, 175400, 199956, 210480, 219250, 228000, 249945, 263100, 266608, 280640, 328875, 333260, 350800, 399912, 416575, 420960, 438500, 456000, 499890, 526200, 533216, 657750, 666520, 701600, 799824, 833150, 841920, 877000, 999780, 1052400, 1066432, 1249725, 1315500, 1333040, 1403200, 1599648, 1666300, 1754000, 1999560, 2082875, 2104800, 2499450, 2631000, 2666080, 3199296, 3332600, 3508000, 3999120, 4165750, 4209600, 4998900, 5262000, 5332160, 6248625, 6665200, 7016000, 7998240, 8331500, 9997800, 10524000, 12497250, 13330400, 15996480, 16663000, 19995600, 21048000, 24994500, 26660800, 33326000, 39991200, 49989000, 66652000, 79982400, 99978000, 133304000, 199956000, 399912000]

約数ペア:

[(1, 399912000), (2, 199956000), (3, 133304000), (4, 99978000), (5, 79982400), (6, 66652000), (8, 49989000), (10, 39991200), (12, 33326000), (15, 26660800), (16, 24994500), (19, 21048000), (20, 19995600), (24, 16663000), (25, 15996480), (30, 13330400), (32, 12497250), (38, 10524000), (40, 9997800), (48, 8331500), (50, 7998240), (57, 7016000), (60, 6665200), (64, 6248625), (75, 5332160), (76, 5262000), (80, 4998900), (95, 4209600), (96, 4165750), (100, 3999120), (114, 3508000), (120, 3332600), (125, 3199296), (150, 2666080), (152, 2631000), (160, 2499450), (190, 2104800), (192, 2082875), (200, 1999560), (228, 1754000), (240, 1666300), (250, 1599648), (285, 1403200), (300, 1333040), (304, 1315500), (320, 1249725), (375, 1066432), (380, 1052400), (400, 999780), (456, 877000), (475, 841920), (480, 833150), (500, 799824), (570, 701600), (600, 666520), (608, 657750), (750, 533216), (760, 526200), (800, 499890), (877, 456000), (912, 438500), (950, 420960), (960, 416575), (1000, 399912), (1140, 350800), (1200, 333260), (1216, 328875), (1425, 280640), (1500, 266608), (1520, 263100), (1600, 249945), (1754, 228000), (1824, 219250), (1900, 210480), (2000, 199956), (2280, 175400), (2375, 168384), (2400, 166630), (2631, 152000), (2850, 140320), (3000, 133304), (3040, 131550), (3508, 114000), (3648, 109625), (3800, 105240), (4000, 99978), (4385, 91200), (4560, 87700), (4750, 84192), (4800, 83315), (5262, 76000), (5700, 70160), (6000, 66652), (6080, 65775), (7016, 57000), (7125, 56128), (7600, 52620), (8000, 49989), (8770, 45600), (9120, 43850), (9500, 42096), (10524, 38000), (11400, 35080), (12000, 33326), (13155, 30400), (14032, 28500), (14250, 28064), (15200, 26310), (16663, 24000), (17540, 22800), (18240, 21925), (19000, 21048)]