28887460

素因数分解:

$2^2\times 5^1\times 7^3\times {\mathrm{4211}}^1$

素因数の和:4241

約数の個数: 48

約数和(自身を含む): 70761600

約数和(自身を除く): 41874140

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 49, 70, 98, 140, 196, 245, 343, 490, 686, 980, 1372, 1715, 3430, 4211, 6860, 8422, 16844, 21055, 29477, 42110, 58954, 84220, 117908, 147385, 206339, 294770, 412678, 589540, 825356, 1031695, 1444373, 2063390, 2888746, 4126780, 5777492, 7221865, 14443730, 28887460]

約数ペア:

[(1, 28887460), (2, 14443730), (4, 7221865), (5, 5777492), (7, 4126780), (10, 2888746), (14, 2063390), (20, 1444373), (28, 1031695), (35, 825356), (49, 589540), (70, 412678), (98, 294770), (140, 206339), (196, 147385), (245, 117908), (343, 84220), (490, 58954), (686, 42110), (980, 29477), (1372, 21055), (1715, 16844), (3430, 8422), (4211, 6860)]