49745320

素因数分解:

$2^3\times 5^1\times {\mathrm{23}}^1\times {\mathrm{139}}^1\times {\mathrm{389}}^1$

素因数の和:562

約数の個数: 64

約数和(自身を含む): 117936000

約数和(自身を除く): 68190680

約数列:

[1, 2, 4, 5, 8, 10, 20, 23, 40, 46, 92, 115, 139, 184, 230, 278, 389, 460, 556, 695, 778, 920, 1112, 1390, 1556, 1945, 2780, 3112, 3197, 3890, 5560, 6394, 7780, 8947, 12788, 15560, 15985, 17894, 25576, 31970, 35788, 44735, 54071, 63940, 71576, 89470, 108142, 127880, 178940, 216284, 270355, 357880, 432568, 540710, 1081420, 1243633, 2162840, 2487266, 4974532, 6218165, 9949064, 12436330, 24872660, 49745320]

約数ペア:

[(1, 49745320), (2, 24872660), (4, 12436330), (5, 9949064), (8, 6218165), (10, 4974532), (20, 2487266), (23, 2162840), (40, 1243633), (46, 1081420), (92, 540710), (115, 432568), (139, 357880), (184, 270355), (230, 216284), (278, 178940), (389, 127880), (460, 108142), (556, 89470), (695, 71576), (778, 63940), (920, 54071), (1112, 44735), (1390, 35788), (1556, 31970), (1945, 25576), (2780, 17894), (3112, 15985), (3197, 15560), (3890, 12788), (5560, 8947), (6394, 7780)]