253185280

素因数分解:

$2^8\times 5^1\times {\mathrm{223}}^1\times {\mathrm{887}}^1$

素因数の和:1131

約数の個数: 72

約数和(自身を含む): 609864192

約数和(自身を除く): 356678912

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 128, 160, 223, 256, 320, 446, 640, 887, 892, 1115, 1280, 1774, 1784, 2230, 3548, 3568, 4435, 4460, 7096, 7136, 8870, 8920, 14192, 14272, 17740, 17840, 28384, 28544, 35480, 35680, 56768, 57088, 70960, 71360, 113536, 141920, 142720, 197801, 227072, 283840, 285440, 395602, 567680, 791204, 989005, 1135360, 1582408, 1978010, 3164816, 3956020, 6329632, 7912040, 12659264, 15824080, 25318528, 31648160, 50637056, 63296320, 126592640, 253185280]

約数ペア:

[(1, 253185280), (2, 126592640), (4, 63296320), (5, 50637056), (8, 31648160), (10, 25318528), (16, 15824080), (20, 12659264), (32, 7912040), (40, 6329632), (64, 3956020), (80, 3164816), (128, 1978010), (160, 1582408), (223, 1135360), (256, 989005), (320, 791204), (446, 567680), (640, 395602), (887, 285440), (892, 283840), (1115, 227072), (1280, 197801), (1774, 142720), (1784, 141920), (2230, 113536), (3548, 71360), (3568, 70960), (4435, 57088), (4460, 56768), (7096, 35680), (7136, 35480), (8870, 28544), (8920, 28384), (14192, 17840), (14272, 17740)]