338359880

素因数分解:

$2^3\times 5^1\times {\mathrm{41}}^1\times {\mathrm{193}}^1\times {\mathrm{1069}}^1$

素因数の和:1314

約数の個数: 64

約数和(自身を含む): 784652400

約数和(自身を除く): 446292520

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 41, 82, 164, 193, 205, 328, 386, 410, 772, 820, 965, 1069, 1544, 1640, 1930, 2138, 3860, 4276, 5345, 7720, 7913, 8552, 10690, 15826, 21380, 31652, 39565, 42760, 43829, 63304, 79130, 87658, 158260, 175316, 206317, 219145, 316520, 350632, 412634, 438290, 825268, 876580, 1031585, 1650536, 1753160, 2063170, 4126340, 8252680, 8458997, 16917994, 33835988, 42294985, 67671976, 84589970, 169179940, 338359880]

約数ペア:

[(1, 338359880), (2, 169179940), (4, 84589970), (5, 67671976), (8, 42294985), (10, 33835988), (20, 16917994), (40, 8458997), (41, 8252680), (82, 4126340), (164, 2063170), (193, 1753160), (205, 1650536), (328, 1031585), (386, 876580), (410, 825268), (772, 438290), (820, 412634), (965, 350632), (1069, 316520), (1544, 219145), (1640, 206317), (1930, 175316), (2138, 158260), (3860, 87658), (4276, 79130), (5345, 63304), (7720, 43829), (7913, 42760), (8552, 39565), (10690, 31652), (15826, 21380)]