254621920

素因数分解:

$2^5\times 5^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{43}}^1\times {\mathrm{311}}^1$

素因数の和:393

約数の個数: 192

約数和(自身を含む): 747242496

約数和(自身を除く): 492620576

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 17, 20, 28, 32, 34, 35, 40, 43, 56, 68, 70, 80, 85, 86, 112, 119, 136, 140, 160, 170, 172, 215, 224, 238, 272, 280, 301, 311, 340, 344, 430, 476, 544, 560, 595, 602, 622, 680, 688, 731, 860, 952, 1120, 1190, 1204, 1244, 1360, 1376, 1462, 1505, 1555, 1720, 1904, 2177, 2380, 2408, 2488, 2720, 2924, 3010, 3110, 3440, 3655, 3808, 4354, 4760, 4816, 4976, 5117, 5287, 5848, 6020, 6220, 6880, 7310, 8708, 9520, 9632, 9952, 10234, 10574, 10885, 11696, 12040, 12440, 13373, 14620, 17416, 19040, 20468, 21148, 21770, 23392, 24080, 24880, 25585, 26435, 26746, 29240, 34832, 37009, 40936, 42296, 43540, 48160, 49760, 51170, 52870, 53492, 58480, 66865, 69664, 74018, 81872, 84592, 87080, 93611, 102340, 105740, 106984, 116960, 133730, 148036, 163744, 169184, 174160, 185045, 187222, 204680, 211480, 213968, 227341, 267460, 296072, 348320, 370090, 374444, 409360, 422960, 427936, 454682, 468055, 534920, 592144, 740180, 748888, 818720, 845920, 909364, 936110, 1069840, 1136705, 1184288, 1480360, 1497776, 1591387, 1818728, 1872220, 2139680, 2273410, 2960720, 2995552, 3182774, 3637456, 3744440, 4546820, 5921440, 6365548, 7274912, 7488880, 7956935, 9093640, 12731096, 14977760, 15913870, 18187280, 25462192, 31827740, 36374560, 50924384, 63655480, 127310960, 254621920]

約数ペア:

[(1, 254621920), (2, 127310960), (4, 63655480), (5, 50924384), (7, 36374560), (8, 31827740), (10, 25462192), (14, 18187280), (16, 15913870), (17, 14977760), (20, 12731096), (28, 9093640), (32, 7956935), (34, 7488880), (35, 7274912), (40, 6365548), (43, 5921440), (56, 4546820), (68, 3744440), (70, 3637456), (80, 3182774), (85, 2995552), (86, 2960720), (112, 2273410), (119, 2139680), (136, 1872220), (140, 1818728), (160, 1591387), (170, 1497776), (172, 1480360), (215, 1184288), (224, 1136705), (238, 1069840), (272, 936110), (280, 909364), (301, 845920), (311, 818720), (340, 748888), (344, 740180), (430, 592144), (476, 534920), (544, 468055), (560, 454682), (595, 427936), (602, 422960), (622, 409360), (680, 374444), (688, 370090), (731, 348320), (860, 296072), (952, 267460), (1120, 227341), (1190, 213968), (1204, 211480), (1244, 204680), (1360, 187222), (1376, 185045), (1462, 174160), (1505, 169184), (1555, 163744), (1720, 148036), (1904, 133730), (2177, 116960), (2380, 106984), (2408, 105740), (2488, 102340), (2720, 93611), (2924, 87080), (3010, 84592), (3110, 81872), (3440, 74018), (3655, 69664), (3808, 66865), (4354, 58480), (4760, 53492), (4816, 52870), (4976, 51170), (5117, 49760), (5287, 48160), (5848, 43540), (6020, 42296), (6220, 40936), (6880, 37009), (7310, 34832), (8708, 29240), (9520, 26746), (9632, 26435), (9952, 25585), (10234, 24880), (10574, 24080), (10885, 23392), (11696, 21770), (12040, 21148), (12440, 20468), (13373, 19040), (14620, 17416)]