209431376

素因数分解:

$2^4\times 7^1\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{23}}^1\times {\mathrm{389}}^1$

素因数の和:457

約数の個数: 160

約数和(自身を含む): 557107200

約数和(自身を除く): 347675824

約数列:

[1, 2, 4, 7, 8, 11, 14, 16, 19, 22, 23, 28, 38, 44, 46, 56, 76, 77, 88, 92, 112, 133, 152, 154, 161, 176, 184, 209, 253, 266, 304, 308, 322, 368, 389, 418, 437, 506, 532, 616, 644, 778, 836, 874, 1012, 1064, 1232, 1288, 1463, 1556, 1672, 1748, 1771, 2024, 2128, 2576, 2723, 2926, 3059, 3112, 3344, 3496, 3542, 4048, 4279, 4807, 5446, 5852, 6118, 6224, 6992, 7084, 7391, 8558, 8947, 9614, 10892, 11704, 12236, 14168, 14782, 17116, 17894, 19228, 21784, 23408, 24472, 28336, 29564, 29953, 33649, 34232, 35788, 38456, 43568, 48944, 51737, 59128, 59906, 62629, 67298, 68464, 71576, 76912, 81301, 98417, 103474, 118256, 119812, 125258, 134596, 143152, 162602, 169993, 196834, 206948, 239624, 250516, 269192, 325204, 339986, 393668, 413896, 479248, 501032, 538384, 569107, 650408, 679972, 688919, 787336, 827792, 1002064, 1138214, 1189951, 1300816, 1359944, 1377838, 1574672, 1869923, 2276428, 2379902, 2719888, 2755676, 3739846, 4552856, 4759804, 5511352, 7479692, 9105712, 9519608, 11022704, 13089461, 14959384, 19039216, 26178922, 29918768, 52357844, 104715688, 209431376]

約数ペア:

[(1, 209431376), (2, 104715688), (4, 52357844), (7, 29918768), (8, 26178922), (11, 19039216), (14, 14959384), (16, 13089461), (19, 11022704), (22, 9519608), (23, 9105712), (28, 7479692), (38, 5511352), (44, 4759804), (46, 4552856), (56, 3739846), (76, 2755676), (77, 2719888), (88, 2379902), (92, 2276428), (112, 1869923), (133, 1574672), (152, 1377838), (154, 1359944), (161, 1300816), (176, 1189951), (184, 1138214), (209, 1002064), (253, 827792), (266, 787336), (304, 688919), (308, 679972), (322, 650408), (368, 569107), (389, 538384), (418, 501032), (437, 479248), (506, 413896), (532, 393668), (616, 339986), (644, 325204), (778, 269192), (836, 250516), (874, 239624), (1012, 206948), (1064, 196834), (1232, 169993), (1288, 162602), (1463, 143152), (1556, 134596), (1672, 125258), (1748, 119812), (1771, 118256), (2024, 103474), (2128, 98417), (2576, 81301), (2723, 76912), (2926, 71576), (3059, 68464), (3112, 67298), (3344, 62629), (3496, 59906), (3542, 59128), (4048, 51737), (4279, 48944), (4807, 43568), (5446, 38456), (5852, 35788), (6118, 34232), (6224, 33649), (6992, 29953), (7084, 29564), (7391, 28336), (8558, 24472), (8947, 23408), (9614, 21784), (10892, 19228), (11704, 17894), (12236, 17116), (14168, 14782)]