28779020

素因数分解:

$2^2\times 5^1\times {\mathrm{29}}^3\times {\mathrm{59}}^1$

素因数の和:155

約数の個数: 48

約数和(自身を含む): 63655200

約数和(自身を除く): 34876180

約数列:

[1, 2, 4, 5, 10, 20, 29, 58, 59, 116, 118, 145, 236, 290, 295, 580, 590, 841, 1180, 1682, 1711, 3364, 3422, 4205, 6844, 8410, 8555, 16820, 17110, 24389, 34220, 48778, 49619, 97556, 99238, 121945, 198476, 243890, 248095, 487780, 496190, 992380, 1438951, 2877902, 5755804, 7194755, 14389510, 28779020]

約数ペア:

[(1, 28779020), (2, 14389510), (4, 7194755), (5, 5755804), (10, 2877902), (20, 1438951), (29, 992380), (58, 496190), (59, 487780), (116, 248095), (118, 243890), (145, 198476), (236, 121945), (290, 99238), (295, 97556), (580, 49619), (590, 48778), (841, 34220), (1180, 24389), (1682, 17110), (1711, 16820), (3364, 8555), (3422, 8410), (4205, 6844)]