280669600

素因数分解:

$2^5\times 5^2\times {\mathrm{41}}^1\times {\mathrm{43}}^1\times {\mathrm{199}}^1$

素因数の和:303

約数の個数: 144

約数和(自身を含む): 721828800

約数和(自身を除く): 441159200

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 32, 40, 41, 43, 50, 80, 82, 86, 100, 160, 164, 172, 199, 200, 205, 215, 328, 344, 398, 400, 410, 430, 656, 688, 796, 800, 820, 860, 995, 1025, 1075, 1312, 1376, 1592, 1640, 1720, 1763, 1990, 2050, 2150, 3184, 3280, 3440, 3526, 3980, 4100, 4300, 4975, 6368, 6560, 6880, 7052, 7960, 8159, 8200, 8557, 8600, 8815, 9950, 14104, 15920, 16318, 16400, 17114, 17200, 17630, 19900, 28208, 31840, 32636, 32800, 34228, 34400, 35260, 39800, 40795, 42785, 44075, 56416, 65272, 68456, 70520, 79600, 81590, 85570, 88150, 130544, 136912, 141040, 159200, 163180, 171140, 176300, 203975, 213925, 261088, 273824, 282080, 326360, 342280, 350837, 352600, 407950, 427850, 652720, 684560, 701674, 705200, 815900, 855700, 1305440, 1369120, 1403348, 1410400, 1631800, 1711400, 1754185, 2806696, 3263600, 3422800, 3508370, 5613392, 6527200, 6845600, 7016740, 8770925, 11226784, 14033480, 17541850, 28066960, 35083700, 56133920, 70167400, 140334800, 280669600]

約数ペア:

[(1, 280669600), (2, 140334800), (4, 70167400), (5, 56133920), (8, 35083700), (10, 28066960), (16, 17541850), (20, 14033480), (25, 11226784), (32, 8770925), (40, 7016740), (41, 6845600), (43, 6527200), (50, 5613392), (80, 3508370), (82, 3422800), (86, 3263600), (100, 2806696), (160, 1754185), (164, 1711400), (172, 1631800), (199, 1410400), (200, 1403348), (205, 1369120), (215, 1305440), (328, 855700), (344, 815900), (398, 705200), (400, 701674), (410, 684560), (430, 652720), (656, 427850), (688, 407950), (796, 352600), (800, 350837), (820, 342280), (860, 326360), (995, 282080), (1025, 273824), (1075, 261088), (1312, 213925), (1376, 203975), (1592, 176300), (1640, 171140), (1720, 163180), (1763, 159200), (1990, 141040), (2050, 136912), (2150, 130544), (3184, 88150), (3280, 85570), (3440, 81590), (3526, 79600), (3980, 70520), (4100, 68456), (4300, 65272), (4975, 56416), (6368, 44075), (6560, 42785), (6880, 40795), (7052, 39800), (7960, 35260), (8159, 34400), (8200, 34228), (8557, 32800), (8600, 32636), (8815, 31840), (9950, 28208), (14104, 19900), (15920, 17630), (16318, 17200), (16400, 17114)]