319828672

素因数分解:

$2^6\times {\mathrm{19}}^2\times {\mathrm{109}}^1\times {\mathrm{127}}^1$

素因数の和:286

約数の個数: 84

約数和(自身を含む): 681288960

約数和(自身を除く): 361460288

約数列:

[1, 2, 4, 8, 16, 19, 32, 38, 64, 76, 109, 127, 152, 218, 254, 304, 361, 436, 508, 608, 722, 872, 1016, 1216, 1444, 1744, 2032, 2071, 2413, 2888, 3488, 4064, 4142, 4826, 5776, 6976, 8128, 8284, 9652, 11552, 13843, 16568, 19304, 23104, 27686, 33136, 38608, 39349, 45847, 55372, 66272, 77216, 78698, 91694, 110744, 132544, 154432, 157396, 183388, 221488, 263017, 314792, 366776, 442976, 526034, 629584, 733552, 885952, 1052068, 1259168, 1467104, 2104136, 2518336, 2934208, 4208272, 4997323, 8416544, 9994646, 16833088, 19989292, 39978584, 79957168, 159914336, 319828672]

約数ペア:

[(1, 319828672), (2, 159914336), (4, 79957168), (8, 39978584), (16, 19989292), (19, 16833088), (32, 9994646), (38, 8416544), (64, 4997323), (76, 4208272), (109, 2934208), (127, 2518336), (152, 2104136), (218, 1467104), (254, 1259168), (304, 1052068), (361, 885952), (436, 733552), (508, 629584), (608, 526034), (722, 442976), (872, 366776), (1016, 314792), (1216, 263017), (1444, 221488), (1744, 183388), (2032, 157396), (2071, 154432), (2413, 132544), (2888, 110744), (3488, 91694), (4064, 78698), (4142, 77216), (4826, 66272), (5776, 55372), (6976, 45847), (8128, 39349), (8284, 38608), (9652, 33136), (11552, 27686), (13843, 23104), (16568, 19304)]