881331200

素因数分解:

$2^{10}\times 5^2\times {\mathrm{173}}^1\times {\mathrm{199}}^1$

素因数の和:402

約数の個数: 132

約数和(自身を含む): 2208303600

約数和(自身を除く): 1326972400

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 32, 40, 50, 64, 80, 100, 128, 160, 173, 199, 200, 256, 320, 346, 398, 400, 512, 640, 692, 796, 800, 865, 995, 1024, 1280, 1384, 1592, 1600, 1730, 1990, 2560, 2768, 3184, 3200, 3460, 3980, 4325, 4975, 5120, 5536, 6368, 6400, 6920, 7960, 8650, 9950, 11072, 12736, 12800, 13840, 15920, 17300, 19900, 22144, 25472, 25600, 27680, 31840, 34427, 34600, 39800, 44288, 50944, 55360, 63680, 68854, 69200, 79600, 88576, 101888, 110720, 127360, 137708, 138400, 159200, 172135, 177152, 203776, 221440, 254720, 275416, 276800, 318400, 344270, 442880, 509440, 550832, 553600, 636800, 688540, 860675, 885760, 1018880, 1101664, 1107200, 1273600, 1377080, 1721350, 2203328, 2214400, 2547200, 2754160, 3442700, 4406656, 4428800, 5094400, 5508320, 6885400, 8813312, 11016640, 13770800, 17626624, 22033280, 27541600, 35253248, 44066560, 55083200, 88133120, 110166400, 176266240, 220332800, 440665600, 881331200]

約数ペア:

[(1, 881331200), (2, 440665600), (4, 220332800), (5, 176266240), (8, 110166400), (10, 88133120), (16, 55083200), (20, 44066560), (25, 35253248), (32, 27541600), (40, 22033280), (50, 17626624), (64, 13770800), (80, 11016640), (100, 8813312), (128, 6885400), (160, 5508320), (173, 5094400), (199, 4428800), (200, 4406656), (256, 3442700), (320, 2754160), (346, 2547200), (398, 2214400), (400, 2203328), (512, 1721350), (640, 1377080), (692, 1273600), (796, 1107200), (800, 1101664), (865, 1018880), (995, 885760), (1024, 860675), (1280, 688540), (1384, 636800), (1592, 553600), (1600, 550832), (1730, 509440), (1990, 442880), (2560, 344270), (2768, 318400), (3184, 276800), (3200, 275416), (3460, 254720), (3980, 221440), (4325, 203776), (4975, 177152), (5120, 172135), (5536, 159200), (6368, 138400), (6400, 137708), (6920, 127360), (7960, 110720), (8650, 101888), (9950, 88576), (11072, 79600), (12736, 69200), (12800, 68854), (13840, 63680), (15920, 55360), (17300, 50944), (19900, 44288), (22144, 39800), (25472, 34600), (25600, 34427), (27680, 31840)]