129007660

素因数分解:

$2^2\times 5^1\times {\mathrm{29}}^1\times {\mathrm{347}}^1\times {\mathrm{641}}^1$

素因数の和:1026

約数の個数: 48

約数和(自身を含む): 281504160

約数和(自身を除く): 152496500

約数列:

[1, 2, 4, 5, 10, 20, 29, 58, 116, 145, 290, 347, 580, 641, 694, 1282, 1388, 1735, 2564, 3205, 3470, 6410, 6940, 10063, 12820, 18589, 20126, 37178, 40252, 50315, 74356, 92945, 100630, 185890, 201260, 222427, 371780, 444854, 889708, 1112135, 2224270, 4448540, 6450383, 12900766, 25801532, 32251915, 64503830, 129007660]

約数ペア:

[(1, 129007660), (2, 64503830), (4, 32251915), (5, 25801532), (10, 12900766), (20, 6450383), (29, 4448540), (58, 2224270), (116, 1112135), (145, 889708), (290, 444854), (347, 371780), (580, 222427), (641, 201260), (694, 185890), (1282, 100630), (1388, 92945), (1735, 74356), (2564, 50315), (3205, 40252), (3470, 37178), (6410, 20126), (6940, 18589), (10063, 12820)]