407979520

素因数分解:

$2^9\times 5^1\times {\mathrm{13}}^2\times {\mathrm{23}}^1\times {\mathrm{41}}^1$

素因数の和:113

約数の個数: 240

約数和(自身を含む): 1132240032

約数和(自身を除く): 724260512

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 23, 26, 32, 40, 41, 46, 52, 64, 65, 80, 82, 92, 104, 115, 128, 130, 160, 164, 169, 184, 205, 208, 230, 256, 260, 299, 320, 328, 338, 368, 410, 416, 460, 512, 520, 533, 598, 640, 656, 676, 736, 820, 832, 845, 920, 943, 1040, 1066, 1196, 1280, 1312, 1352, 1472, 1495, 1640, 1664, 1690, 1840, 1886, 2080, 2132, 2392, 2560, 2624, 2665, 2704, 2944, 2990, 3280, 3328, 3380, 3680, 3772, 3887, 4160, 4264, 4715, 4784, 5248, 5330, 5408, 5888, 5980, 6560, 6656, 6760, 6929, 7360, 7544, 7774, 8320, 8528, 9430, 9568, 10496, 10660, 10816, 11776, 11960, 12259, 13120, 13520, 13858, 14720, 15088, 15548, 16640, 17056, 18860, 19136, 19435, 20992, 21320, 21632, 23920, 24518, 26240, 27040, 27716, 29440, 30176, 31096, 33280, 34112, 34645, 37720, 38272, 38870, 42640, 43264, 47840, 49036, 52480, 54080, 55432, 58880, 60352, 61295, 62192, 68224, 69290, 75440, 76544, 77740, 85280, 86528, 95680, 98072, 104960, 108160, 110864, 120704, 122590, 124384, 136448, 138580, 150880, 153088, 155480, 159367, 170560, 191360, 196144, 216320, 221728, 241408, 245180, 248768, 272896, 277160, 301760, 310960, 318734, 341120, 382720, 392288, 432640, 443456, 482816, 490360, 497536, 554320, 603520, 621920, 637468, 682240, 765440, 784576, 796835, 886912, 980720, 995072, 1108640, 1207040, 1243840, 1274936, 1364480, 1569152, 1593670, 1773824, 1961440, 1990144, 2217280, 2414080, 2487680, 2549872, 3138304, 3187340, 3547648, 3922880, 4434560, 4975360, 5099744, 6276608, 6374680, 7845760, 8869120, 9950720, 10199488, 12749360, 15691520, 17738240, 20398976, 25498720, 31383040, 40797952, 50997440, 81595904, 101994880, 203989760, 407979520]

約数ペア:

[(1, 407979520), (2, 203989760), (4, 101994880), (5, 81595904), (8, 50997440), (10, 40797952), (13, 31383040), (16, 25498720), (20, 20398976), (23, 17738240), (26, 15691520), (32, 12749360), (40, 10199488), (41, 9950720), (46, 8869120), (52, 7845760), (64, 6374680), (65, 6276608), (80, 5099744), (82, 4975360), (92, 4434560), (104, 3922880), (115, 3547648), (128, 3187340), (130, 3138304), (160, 2549872), (164, 2487680), (169, 2414080), (184, 2217280), (205, 1990144), (208, 1961440), (230, 1773824), (256, 1593670), (260, 1569152), (299, 1364480), (320, 1274936), (328, 1243840), (338, 1207040), (368, 1108640), (410, 995072), (416, 980720), (460, 886912), (512, 796835), (520, 784576), (533, 765440), (598, 682240), (640, 637468), (656, 621920), (676, 603520), (736, 554320), (820, 497536), (832, 490360), (845, 482816), (920, 443456), (943, 432640), (1040, 392288), (1066, 382720), (1196, 341120), (1280, 318734), (1312, 310960), (1352, 301760), (1472, 277160), (1495, 272896), (1640, 248768), (1664, 245180), (1690, 241408), (1840, 221728), (1886, 216320), (2080, 196144), (2132, 191360), (2392, 170560), (2560, 159367), (2624, 155480), (2665, 153088), (2704, 150880), (2944, 138580), (2990, 136448), (3280, 124384), (3328, 122590), (3380, 120704), (3680, 110864), (3772, 108160), (3887, 104960), (4160, 98072), (4264, 95680), (4715, 86528), (4784, 85280), (5248, 77740), (5330, 76544), (5408, 75440), (5888, 69290), (5980, 68224), (6560, 62192), (6656, 61295), (6760, 60352), (6929, 58880), (7360, 55432), (7544, 54080), (7774, 52480), (8320, 49036), (8528, 47840), (9430, 43264), (9568, 42640), (10496, 38870), (10660, 38272), (10816, 37720), (11776, 34645), (11960, 34112), (12259, 33280), (13120, 31096), (13520, 30176), (13858, 29440), (14720, 27716), (15088, 27040), (15548, 26240), (16640, 24518), (17056, 23920), (18860, 21632), (19136, 21320), (19435, 20992)]