208282480

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{23}}^1\times {\mathrm{103}}^1\times {\mathrm{157}}^1$

素因数の和:303

約数の個数: 160

約数和(自身を含む): 586819584

約数和(自身を除く): 378537104

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 23, 28, 35, 40, 46, 56, 70, 80, 92, 103, 112, 115, 140, 157, 161, 184, 206, 230, 280, 314, 322, 368, 412, 460, 515, 560, 628, 644, 721, 785, 805, 824, 920, 1030, 1099, 1256, 1288, 1442, 1570, 1610, 1648, 1840, 2060, 2198, 2369, 2512, 2576, 2884, 3140, 3220, 3605, 3611, 4120, 4396, 4738, 5495, 5768, 6280, 6440, 7210, 7222, 8240, 8792, 9476, 10990, 11536, 11845, 12560, 12880, 14420, 14444, 16171, 16583, 17584, 18055, 18952, 21980, 23690, 25277, 28840, 28888, 32342, 33166, 36110, 37904, 43960, 47380, 50554, 57680, 57776, 64684, 66332, 72220, 80855, 82915, 87920, 94760, 101108, 113197, 126385, 129368, 132664, 144440, 161710, 165830, 189520, 202216, 226394, 252770, 258736, 265328, 288880, 323420, 331660, 371933, 404432, 452788, 505540, 565985, 646840, 663320, 743866, 905576, 1011080, 1131970, 1293680, 1326640, 1487732, 1811152, 1859665, 2022160, 2263940, 2603531, 2975464, 3719330, 4527880, 5207062, 5950928, 7438660, 9055760, 10414124, 13017655, 14877320, 20828248, 26035310, 29754640, 41656496, 52070620, 104141240, 208282480]

約数ペア:

[(1, 208282480), (2, 104141240), (4, 52070620), (5, 41656496), (7, 29754640), (8, 26035310), (10, 20828248), (14, 14877320), (16, 13017655), (20, 10414124), (23, 9055760), (28, 7438660), (35, 5950928), (40, 5207062), (46, 4527880), (56, 3719330), (70, 2975464), (80, 2603531), (92, 2263940), (103, 2022160), (112, 1859665), (115, 1811152), (140, 1487732), (157, 1326640), (161, 1293680), (184, 1131970), (206, 1011080), (230, 905576), (280, 743866), (314, 663320), (322, 646840), (368, 565985), (412, 505540), (460, 452788), (515, 404432), (560, 371933), (628, 331660), (644, 323420), (721, 288880), (785, 265328), (805, 258736), (824, 252770), (920, 226394), (1030, 202216), (1099, 189520), (1256, 165830), (1288, 161710), (1442, 144440), (1570, 132664), (1610, 129368), (1648, 126385), (1840, 113197), (2060, 101108), (2198, 94760), (2369, 87920), (2512, 82915), (2576, 80855), (2884, 72220), (3140, 66332), (3220, 64684), (3605, 57776), (3611, 57680), (4120, 50554), (4396, 47380), (4738, 43960), (5495, 37904), (5768, 36110), (6280, 33166), (6440, 32342), (7210, 28888), (7222, 28840), (8240, 25277), (8792, 23690), (9476, 21980), (10990, 18952), (11536, 18055), (11845, 17584), (12560, 16583), (12880, 16171), (14420, 14444)]