978238000

素因数分解:

$2^4\times 5^3\times {\mathrm{71}}^1\times {\mathrm{83}}^2$

素因数の和:260

約数の個数: 120

約数和(自身を含む): 2427942816

約数和(自身を除く): 1449704816

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 40, 50, 71, 80, 83, 100, 125, 142, 166, 200, 250, 284, 332, 355, 400, 415, 500, 568, 664, 710, 830, 1000, 1136, 1328, 1420, 1660, 1775, 2000, 2075, 2840, 3320, 3550, 4150, 5680, 5893, 6640, 6889, 7100, 8300, 8875, 10375, 11786, 13778, 14200, 16600, 17750, 20750, 23572, 27556, 28400, 29465, 33200, 34445, 35500, 41500, 47144, 55112, 58930, 68890, 71000, 83000, 94288, 110224, 117860, 137780, 142000, 147325, 166000, 172225, 235720, 275560, 294650, 344450, 471440, 489119, 551120, 589300, 688900, 736625, 861125, 978238, 1178600, 1377800, 1473250, 1722250, 1956476, 2357200, 2445595, 2755600, 2946500, 3444500, 3912952, 4891190, 5893000, 6889000, 7825904, 9782380, 11786000, 12227975, 13778000, 19564760, 24455950, 39129520, 48911900, 61139875, 97823800, 122279750, 195647600, 244559500, 489119000, 978238000]

約数ペア:

[(1, 978238000), (2, 489119000), (4, 244559500), (5, 195647600), (8, 122279750), (10, 97823800), (16, 61139875), (20, 48911900), (25, 39129520), (40, 24455950), (50, 19564760), (71, 13778000), (80, 12227975), (83, 11786000), (100, 9782380), (125, 7825904), (142, 6889000), (166, 5893000), (200, 4891190), (250, 3912952), (284, 3444500), (332, 2946500), (355, 2755600), (400, 2445595), (415, 2357200), (500, 1956476), (568, 1722250), (664, 1473250), (710, 1377800), (830, 1178600), (1000, 978238), (1136, 861125), (1328, 736625), (1420, 688900), (1660, 589300), (1775, 551120), (2000, 489119), (2075, 471440), (2840, 344450), (3320, 294650), (3550, 275560), (4150, 235720), (5680, 172225), (5893, 166000), (6640, 147325), (6889, 142000), (7100, 137780), (8300, 117860), (8875, 110224), (10375, 94288), (11786, 83000), (13778, 71000), (14200, 68890), (16600, 58930), (17750, 55112), (20750, 47144), (23572, 41500), (27556, 35500), (28400, 34445), (29465, 33200)]