77817996820

素因数分解:

$2^2\times 5^1\times {\mathrm{47}}^1\times {\mathrm{229}}^1\times {\mathrm{361507}}^1$

素因数の和:361792

約数の個数: 48

約数和(自身を含む): 167624029440

約数和(自身を除く): 89806032620

約数列:

[1, 2, 4, 5, 10, 20, 47, 94, 188, 229, 235, 458, 470, 916, 940, 1145, 2290, 4580, 10763, 21526, 43052, 53815, 107630, 215260, 361507, 723014, 1446028, 1807535, 3615070, 7230140, 16990829, 33981658, 67963316, 82785103, 84954145, 165570206, 169908290, 331140412, 339816580, 413925515, 827851030, 1655702060, 3890899841, 7781799682, 15563599364, 19454499205, 38908998410, 77817996820]

約数ペア:

[(1, 77817996820), (2, 38908998410), (4, 19454499205), (5, 15563599364), (10, 7781799682), (20, 3890899841), (47, 1655702060), (94, 827851030), (188, 413925515), (229, 339816580), (235, 331140412), (458, 169908290), (470, 165570206), (916, 84954145), (940, 82785103), (1145, 67963316), (2290, 33981658), (4580, 16990829), (10763, 7230140), (21526, 3615070), (43052, 1807535), (53815, 1446028), (107630, 723014), (215260, 361507)]