28960864

素因数分解:

$2^5\times {\mathrm{19}}^2\times {\mathrm{23}}^1\times {\mathrm{109}}^1$

素因数の和:180

約数の個数: 72

約数和(自身を含む): 63367920

約数和(自身を除く): 34407056

約数列:

[1, 2, 4, 8, 16, 19, 23, 32, 38, 46, 76, 92, 109, 152, 184, 218, 304, 361, 368, 436, 437, 608, 722, 736, 872, 874, 1444, 1744, 1748, 2071, 2507, 2888, 3488, 3496, 4142, 5014, 5776, 6992, 8284, 8303, 10028, 11552, 13984, 16568, 16606, 20056, 33136, 33212, 39349, 40112, 47633, 66272, 66424, 78698, 80224, 95266, 132848, 157396, 190532, 265696, 314792, 381064, 629584, 762128, 905027, 1259168, 1524256, 1810054, 3620108, 7240216, 14480432, 28960864]

約数ペア:

[(1, 28960864), (2, 14480432), (4, 7240216), (8, 3620108), (16, 1810054), (19, 1524256), (23, 1259168), (32, 905027), (38, 762128), (46, 629584), (76, 381064), (92, 314792), (109, 265696), (152, 190532), (184, 157396), (218, 132848), (304, 95266), (361, 80224), (368, 78698), (436, 66424), (437, 66272), (608, 47633), (722, 40112), (736, 39349), (872, 33212), (874, 33136), (1444, 20056), (1744, 16606), (1748, 16568), (2071, 13984), (2507, 11552), (2888, 10028), (3488, 8303), (3496, 8284), (4142, 6992), (5014, 5776)]