205667840

素因数分解:

$2^9\times 5^1\times 7^1\times {\mathrm{23}}^1\times {\mathrm{499}}^1$

素因数の和:552

約数の個数: 160

約数和(自身を含む): 589248000

約数和(自身を除く): 383580160

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 23, 28, 32, 35, 40, 46, 56, 64, 70, 80, 92, 112, 115, 128, 140, 160, 161, 184, 224, 230, 256, 280, 320, 322, 368, 448, 460, 499, 512, 560, 640, 644, 736, 805, 896, 920, 998, 1120, 1280, 1288, 1472, 1610, 1792, 1840, 1996, 2240, 2495, 2560, 2576, 2944, 3220, 3493, 3584, 3680, 3992, 4480, 4990, 5152, 5888, 6440, 6986, 7360, 7984, 8960, 9980, 10304, 11477, 11776, 12880, 13972, 14720, 15968, 17465, 17920, 19960, 20608, 22954, 25760, 27944, 29440, 31936, 34930, 39920, 41216, 45908, 51520, 55888, 57385, 58880, 63872, 69860, 79840, 80339, 82432, 91816, 103040, 111776, 114770, 127744, 139720, 159680, 160678, 183632, 206080, 223552, 229540, 255488, 279440, 319360, 321356, 367264, 401695, 412160, 447104, 459080, 558880, 638720, 642712, 734528, 803390, 894208, 918160, 1117760, 1277440, 1285424, 1469056, 1606780, 1788416, 1836320, 2235520, 2570848, 2938112, 3213560, 3672640, 4471040, 5141696, 5876224, 6427120, 7345280, 8942080, 10283392, 12854240, 14690560, 20566784, 25708480, 29381120, 41133568, 51416960, 102833920, 205667840]

約数ペア:

[(1, 205667840), (2, 102833920), (4, 51416960), (5, 41133568), (7, 29381120), (8, 25708480), (10, 20566784), (14, 14690560), (16, 12854240), (20, 10283392), (23, 8942080), (28, 7345280), (32, 6427120), (35, 5876224), (40, 5141696), (46, 4471040), (56, 3672640), (64, 3213560), (70, 2938112), (80, 2570848), (92, 2235520), (112, 1836320), (115, 1788416), (128, 1606780), (140, 1469056), (160, 1285424), (161, 1277440), (184, 1117760), (224, 918160), (230, 894208), (256, 803390), (280, 734528), (320, 642712), (322, 638720), (368, 558880), (448, 459080), (460, 447104), (499, 412160), (512, 401695), (560, 367264), (640, 321356), (644, 319360), (736, 279440), (805, 255488), (896, 229540), (920, 223552), (998, 206080), (1120, 183632), (1280, 160678), (1288, 159680), (1472, 139720), (1610, 127744), (1792, 114770), (1840, 111776), (1996, 103040), (2240, 91816), (2495, 82432), (2560, 80339), (2576, 79840), (2944, 69860), (3220, 63872), (3493, 58880), (3584, 57385), (3680, 55888), (3992, 51520), (4480, 45908), (4990, 41216), (5152, 39920), (5888, 34930), (6440, 31936), (6986, 29440), (7360, 27944), (7984, 25760), (8960, 22954), (9980, 20608), (10304, 19960), (11477, 17920), (11776, 17465), (12880, 15968), (13972, 14720)]