442655540

素因数分解:

$2^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{109}}^1\times {\mathrm{10687}}^1$

素因数の和:10824

約数の個数: 48

約数和(自身を含む): 987571200

約数和(自身を除く): 544915660

約数列:

[1, 2, 4, 5, 10, 19, 20, 38, 76, 95, 109, 190, 218, 380, 436, 545, 1090, 2071, 2180, 4142, 8284, 10355, 10687, 20710, 21374, 41420, 42748, 53435, 106870, 203053, 213740, 406106, 812212, 1015265, 1164883, 2030530, 2329766, 4061060, 4659532, 5824415, 11648830, 22132777, 23297660, 44265554, 88531108, 110663885, 221327770, 442655540]

約数ペア:

[(1, 442655540), (2, 221327770), (4, 110663885), (5, 88531108), (10, 44265554), (19, 23297660), (20, 22132777), (38, 11648830), (76, 5824415), (95, 4659532), (109, 4061060), (190, 2329766), (218, 2030530), (380, 1164883), (436, 1015265), (545, 812212), (1090, 406106), (2071, 213740), (2180, 203053), (4142, 106870), (8284, 53435), (10355, 42748), (10687, 41420), (20710, 21374)]