1880778884

素因数分解:

$2^2\times {\mathrm{17}}^1\times {\mathrm{47}}^1\times {\mathrm{211}}^1\times {\mathrm{2789}}^1$

素因数の和:3068

約数の個数: 48

約数和(自身を含む): 3577271040

約数和(自身を除く): 1696492156

約数列:

[1, 2, 4, 17, 34, 47, 68, 94, 188, 211, 422, 799, 844, 1598, 2789, 3196, 3587, 5578, 7174, 9917, 11156, 14348, 19834, 39668, 47413, 94826, 131083, 168589, 189652, 262166, 337178, 524332, 588479, 674356, 1176958, 2228411, 2353916, 4456822, 8913644, 10004143, 20008286, 27658513, 40016572, 55317026, 110634052, 470194721, 940389442, 1880778884]

約数ペア:

[(1, 1880778884), (2, 940389442), (4, 470194721), (17, 110634052), (34, 55317026), (47, 40016572), (68, 27658513), (94, 20008286), (188, 10004143), (211, 8913644), (422, 4456822), (799, 2353916), (844, 2228411), (1598, 1176958), (2789, 674356), (3196, 588479), (3587, 524332), (5578, 337178), (7174, 262166), (9917, 189652), (11156, 168589), (14348, 131083), (19834, 94826), (39668, 47413)]