28945730

素因数分解:

$2^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{23}}^1\times {\mathrm{673}}^1$

素因数の和:731

約数の個数: 64

約数和(自身を含む): 62892288

約数和(自身を除く): 33946558

約数列:

[1, 2, 5, 10, 11, 17, 22, 23, 34, 46, 55, 85, 110, 115, 170, 187, 230, 253, 374, 391, 506, 673, 782, 935, 1265, 1346, 1870, 1955, 2530, 3365, 3910, 4301, 6730, 7403, 8602, 11441, 14806, 15479, 21505, 22882, 30958, 37015, 43010, 57205, 74030, 77395, 114410, 125851, 154790, 170269, 251702, 263143, 340538, 526286, 629255, 851345, 1258510, 1315715, 1702690, 2631430, 2894573, 5789146, 14472865, 28945730]

約数ペア:

[(1, 28945730), (2, 14472865), (5, 5789146), (10, 2894573), (11, 2631430), (17, 1702690), (22, 1315715), (23, 1258510), (34, 851345), (46, 629255), (55, 526286), (85, 340538), (110, 263143), (115, 251702), (170, 170269), (187, 154790), (230, 125851), (253, 114410), (374, 77395), (391, 74030), (506, 57205), (673, 43010), (782, 37015), (935, 30958), (1265, 22882), (1346, 21505), (1870, 15479), (1955, 14806), (2530, 11441), (3365, 8602), (3910, 7403), (4301, 6730)]