284960000

素因数分解:

$2^8\times 5^4\times {\mathrm{13}}^1\times {\mathrm{137}}^1$

素因数の和:186

約数の個数: 180

約数和(自身を含む): 771043812

約数和(自身を除く): 486083812

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 25, 26, 32, 40, 50, 52, 64, 65, 80, 100, 104, 125, 128, 130, 137, 160, 200, 208, 250, 256, 260, 274, 320, 325, 400, 416, 500, 520, 548, 625, 640, 650, 685, 800, 832, 1000, 1040, 1096, 1250, 1280, 1300, 1370, 1600, 1625, 1664, 1781, 2000, 2080, 2192, 2500, 2600, 2740, 3200, 3250, 3328, 3425, 3562, 4000, 4160, 4384, 5000, 5200, 5480, 6400, 6500, 6850, 7124, 8000, 8125, 8320, 8768, 8905, 10000, 10400, 10960, 13000, 13700, 14248, 16000, 16250, 16640, 17125, 17536, 17810, 20000, 20800, 21920, 26000, 27400, 28496, 32000, 32500, 34250, 35072, 35620, 40000, 41600, 43840, 44525, 52000, 54800, 56992, 65000, 68500, 71240, 80000, 83200, 85625, 87680, 89050, 104000, 109600, 113984, 130000, 137000, 142480, 160000, 171250, 175360, 178100, 208000, 219200, 222625, 227968, 260000, 274000, 284960, 342500, 356200, 416000, 438400, 445250, 455936, 520000, 548000, 569920, 685000, 712400, 876800, 890500, 1040000, 1096000, 1113125, 1139840, 1370000, 1424800, 1781000, 2080000, 2192000, 2226250, 2279680, 2740000, 2849600, 3562000, 4384000, 4452500, 5480000, 5699200, 7124000, 8905000, 10960000, 11398400, 14248000, 17810000, 21920000, 28496000, 35620000, 56992000, 71240000, 142480000, 284960000]

約数ペア:

[(1, 284960000), (2, 142480000), (4, 71240000), (5, 56992000), (8, 35620000), (10, 28496000), (13, 21920000), (16, 17810000), (20, 14248000), (25, 11398400), (26, 10960000), (32, 8905000), (40, 7124000), (50, 5699200), (52, 5480000), (64, 4452500), (65, 4384000), (80, 3562000), (100, 2849600), (104, 2740000), (125, 2279680), (128, 2226250), (130, 2192000), (137, 2080000), (160, 1781000), (200, 1424800), (208, 1370000), (250, 1139840), (256, 1113125), (260, 1096000), (274, 1040000), (320, 890500), (325, 876800), (400, 712400), (416, 685000), (500, 569920), (520, 548000), (548, 520000), (625, 455936), (640, 445250), (650, 438400), (685, 416000), (800, 356200), (832, 342500), (1000, 284960), (1040, 274000), (1096, 260000), (1250, 227968), (1280, 222625), (1300, 219200), (1370, 208000), (1600, 178100), (1625, 175360), (1664, 171250), (1781, 160000), (2000, 142480), (2080, 137000), (2192, 130000), (2500, 113984), (2600, 109600), (2740, 104000), (3200, 89050), (3250, 87680), (3328, 85625), (3425, 83200), (3562, 80000), (4000, 71240), (4160, 68500), (4384, 65000), (5000, 56992), (5200, 54800), (5480, 52000), (6400, 44525), (6500, 43840), (6850, 41600), (7124, 40000), (8000, 35620), (8125, 35072), (8320, 34250), (8768, 32500), (8905, 32000), (10000, 28496), (10400, 27400), (10960, 26000), (13000, 21920), (13700, 20800), (14248, 20000), (16000, 17810), (16250, 17536), (16640, 17125)]