247377680

素因数分解:

$2^4\times 5^1\times {\mathrm{11}}^1\times {\mathrm{109}}^1\times {\mathrm{2579}}^1$

素因数の和:2712

約数の個数: 80

約数和(自身を含む): 633441600

約数和(自身を除く): 386063920

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 20, 22, 40, 44, 55, 80, 88, 109, 110, 176, 218, 220, 436, 440, 545, 872, 880, 1090, 1199, 1744, 2180, 2398, 2579, 4360, 4796, 5158, 5995, 8720, 9592, 10316, 11990, 12895, 19184, 20632, 23980, 25790, 28369, 41264, 47960, 51580, 56738, 95920, 103160, 113476, 141845, 206320, 226952, 281111, 283690, 453904, 562222, 567380, 1124444, 1134760, 1405555, 2248888, 2269520, 2811110, 3092221, 4497776, 5622220, 6184442, 11244440, 12368884, 15461105, 22488880, 24737768, 30922210, 49475536, 61844420, 123688840, 247377680]

約数ペア:

[(1, 247377680), (2, 123688840), (4, 61844420), (5, 49475536), (8, 30922210), (10, 24737768), (11, 22488880), (16, 15461105), (20, 12368884), (22, 11244440), (40, 6184442), (44, 5622220), (55, 4497776), (80, 3092221), (88, 2811110), (109, 2269520), (110, 2248888), (176, 1405555), (218, 1134760), (220, 1124444), (436, 567380), (440, 562222), (545, 453904), (872, 283690), (880, 281111), (1090, 226952), (1199, 206320), (1744, 141845), (2180, 113476), (2398, 103160), (2579, 95920), (4360, 56738), (4796, 51580), (5158, 47960), (5995, 41264), (8720, 28369), (9592, 25790), (10316, 23980), (11990, 20632), (12895, 19184)]