1999462400

素因数分解:

$2^{13}\times 5^2\times {\mathrm{13}}^1\times {\mathrm{751}}^1$

素因数の和:800

約数の個数: 168

約数和(自身を含む): 5346886944

約数和(自身を除く): 3347424544

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 25, 26, 32, 40, 50, 52, 64, 65, 80, 100, 104, 128, 130, 160, 200, 208, 256, 260, 320, 325, 400, 416, 512, 520, 640, 650, 751, 800, 832, 1024, 1040, 1280, 1300, 1502, 1600, 1664, 2048, 2080, 2560, 2600, 3004, 3200, 3328, 3755, 4096, 4160, 5120, 5200, 6008, 6400, 6656, 7510, 8192, 8320, 9763, 10240, 10400, 12016, 12800, 13312, 15020, 16640, 18775, 19526, 20480, 20800, 24032, 25600, 26624, 30040, 33280, 37550, 39052, 40960, 41600, 48064, 48815, 51200, 53248, 60080, 66560, 75100, 78104, 83200, 96128, 97630, 102400, 106496, 120160, 133120, 150200, 156208, 166400, 192256, 195260, 204800, 240320, 244075, 266240, 300400, 312416, 332800, 384512, 390520, 480640, 488150, 532480, 600800, 624832, 665600, 769024, 781040, 961280, 976300, 1201600, 1249664, 1331200, 1538048, 1562080, 1922560, 1952600, 2403200, 2499328, 2662400, 3076096, 3124160, 3845120, 3905200, 4806400, 4998656, 6152192, 6248320, 7690240, 7810400, 9612800, 9997312, 12496640, 15380480, 15620800, 19225600, 19994624, 24993280, 30760960, 31241600, 38451200, 39989248, 49986560, 62483200, 76902400, 79978496, 99973120, 124966400, 153804800, 199946240, 249932800, 399892480, 499865600, 999731200, 1999462400]

約数ペア:

[(1, 1999462400), (2, 999731200), (4, 499865600), (5, 399892480), (8, 249932800), (10, 199946240), (13, 153804800), (16, 124966400), (20, 99973120), (25, 79978496), (26, 76902400), (32, 62483200), (40, 49986560), (50, 39989248), (52, 38451200), (64, 31241600), (65, 30760960), (80, 24993280), (100, 19994624), (104, 19225600), (128, 15620800), (130, 15380480), (160, 12496640), (200, 9997312), (208, 9612800), (256, 7810400), (260, 7690240), (320, 6248320), (325, 6152192), (400, 4998656), (416, 4806400), (512, 3905200), (520, 3845120), (640, 3124160), (650, 3076096), (751, 2662400), (800, 2499328), (832, 2403200), (1024, 1952600), (1040, 1922560), (1280, 1562080), (1300, 1538048), (1502, 1331200), (1600, 1249664), (1664, 1201600), (2048, 976300), (2080, 961280), (2560, 781040), (2600, 769024), (3004, 665600), (3200, 624832), (3328, 600800), (3755, 532480), (4096, 488150), (4160, 480640), (5120, 390520), (5200, 384512), (6008, 332800), (6400, 312416), (6656, 300400), (7510, 266240), (8192, 244075), (8320, 240320), (9763, 204800), (10240, 195260), (10400, 192256), (12016, 166400), (12800, 156208), (13312, 150200), (15020, 133120), (16640, 120160), (18775, 106496), (19526, 102400), (20480, 97630), (20800, 96128), (24032, 83200), (25600, 78104), (26624, 75100), (30040, 66560), (33280, 60080), (37550, 53248), (39052, 51200), (40960, 48815), (41600, 48064)]