249370880

素因数分解:

$2^8\times 5^1\times {\mathrm{11}}^1\times {\mathrm{89}}^1\times {\mathrm{199}}^1$

素因数の和:320

約数の個数: 144

約数和(自身を含む): 662256000

約数和(自身を除く): 412885120

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 20, 22, 32, 40, 44, 55, 64, 80, 88, 89, 110, 128, 160, 176, 178, 199, 220, 256, 320, 352, 356, 398, 440, 445, 640, 704, 712, 796, 880, 890, 979, 995, 1280, 1408, 1424, 1592, 1760, 1780, 1958, 1990, 2189, 2816, 2848, 3184, 3520, 3560, 3916, 3980, 4378, 4895, 5696, 6368, 7040, 7120, 7832, 7960, 8756, 9790, 10945, 11392, 12736, 14080, 14240, 15664, 15920, 17512, 17711, 19580, 21890, 22784, 25472, 28480, 31328, 31840, 35024, 35422, 39160, 43780, 50944, 56960, 62656, 63680, 70048, 70844, 78320, 87560, 88555, 113920, 125312, 127360, 140096, 141688, 156640, 175120, 177110, 194821, 250624, 254720, 280192, 283376, 313280, 350240, 354220, 389642, 560384, 566752, 626560, 700480, 708440, 779284, 974105, 1133504, 1253120, 1400960, 1416880, 1558568, 1948210, 2267008, 2801920, 2833760, 3117136, 3896420, 4534016, 5667520, 6234272, 7792840, 11335040, 12468544, 15585680, 22670080, 24937088, 31171360, 49874176, 62342720, 124685440, 249370880]

約数ペア:

[(1, 249370880), (2, 124685440), (4, 62342720), (5, 49874176), (8, 31171360), (10, 24937088), (11, 22670080), (16, 15585680), (20, 12468544), (22, 11335040), (32, 7792840), (40, 6234272), (44, 5667520), (55, 4534016), (64, 3896420), (80, 3117136), (88, 2833760), (89, 2801920), (110, 2267008), (128, 1948210), (160, 1558568), (176, 1416880), (178, 1400960), (199, 1253120), (220, 1133504), (256, 974105), (320, 779284), (352, 708440), (356, 700480), (398, 626560), (440, 566752), (445, 560384), (640, 389642), (704, 354220), (712, 350240), (796, 313280), (880, 283376), (890, 280192), (979, 254720), (995, 250624), (1280, 194821), (1408, 177110), (1424, 175120), (1592, 156640), (1760, 141688), (1780, 140096), (1958, 127360), (1990, 125312), (2189, 113920), (2816, 88555), (2848, 87560), (3184, 78320), (3520, 70844), (3560, 70048), (3916, 63680), (3980, 62656), (4378, 56960), (4895, 50944), (5696, 43780), (6368, 39160), (7040, 35422), (7120, 35024), (7832, 31840), (7960, 31328), (8756, 28480), (9790, 25472), (10945, 22784), (11392, 21890), (12736, 19580), (14080, 17711), (14240, 17512), (15664, 15920)]