1617994420

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{211}}^1\times {\mathrm{54773}}^1$

素因数の和:55000

約数の個数: 48

約数和(自身を含む): 3901661568

約数和(自身を除く): 2283667148

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 211, 422, 844, 1055, 1477, 2110, 2954, 4220, 5908, 7385, 14770, 29540, 54773, 109546, 219092, 273865, 383411, 547730, 766822, 1095460, 1533644, 1917055, 3834110, 7668220, 11557103, 23114206, 46228412, 57785515, 80899721, 115571030, 161799442, 231142060, 323598884, 404498605, 808997210, 1617994420]

約数ペア:

[(1, 1617994420), (2, 808997210), (4, 404498605), (5, 323598884), (7, 231142060), (10, 161799442), (14, 115571030), (20, 80899721), (28, 57785515), (35, 46228412), (70, 23114206), (140, 11557103), (211, 7668220), (422, 3834110), (844, 1917055), (1055, 1533644), (1477, 1095460), (2110, 766822), (2954, 547730), (4220, 383411), (5908, 273865), (7385, 219092), (14770, 109546), (29540, 54773)]