248673280

素因数分解:

$2^{10}\times 5^1\times {\mathrm{17}}^1\times {\mathrm{2857}}^1$

素因数の和:2899

約数の個数: 88

約数和(自身を含む): 631835208

約数和(自身を除く): 383161928

約数列:

[1, 2, 4, 5, 8, 10, 16, 17, 20, 32, 34, 40, 64, 68, 80, 85, 128, 136, 160, 170, 256, 272, 320, 340, 512, 544, 640, 680, 1024, 1088, 1280, 1360, 2176, 2560, 2720, 2857, 4352, 5120, 5440, 5714, 8704, 10880, 11428, 14285, 17408, 21760, 22856, 28570, 43520, 45712, 48569, 57140, 87040, 91424, 97138, 114280, 182848, 194276, 228560, 242845, 365696, 388552, 457120, 485690, 731392, 777104, 914240, 971380, 1462784, 1554208, 1828480, 1942760, 2925568, 3108416, 3656960, 3885520, 6216832, 7313920, 7771040, 12433664, 14627840, 15542080, 24867328, 31084160, 49734656, 62168320, 124336640, 248673280]

約数ペア:

[(1, 248673280), (2, 124336640), (4, 62168320), (5, 49734656), (8, 31084160), (10, 24867328), (16, 15542080), (17, 14627840), (20, 12433664), (32, 7771040), (34, 7313920), (40, 6216832), (64, 3885520), (68, 3656960), (80, 3108416), (85, 2925568), (128, 1942760), (136, 1828480), (160, 1554208), (170, 1462784), (256, 971380), (272, 914240), (320, 777104), (340, 731392), (512, 485690), (544, 457120), (640, 388552), (680, 365696), (1024, 242845), (1088, 228560), (1280, 194276), (1360, 182848), (2176, 114280), (2560, 97138), (2720, 91424), (2857, 87040), (4352, 57140), (5120, 48569), (5440, 45712), (5714, 43520), (8704, 28570), (10880, 22856), (11428, 21760), (14285, 17408)]