180858820

素因数分解:

$2^2\times 5^1\times {\mathrm{47}}^1\times {\mathrm{181}}^1\times {\mathrm{1063}}^1$

素因数の和:1300

約数の個数: 48

約数和(自身を含む): 390394368

約数和(自身を除く): 209535548

約数列:

[1, 2, 4, 5, 10, 20, 47, 94, 181, 188, 235, 362, 470, 724, 905, 940, 1063, 1810, 2126, 3620, 4252, 5315, 8507, 10630, 17014, 21260, 34028, 42535, 49961, 85070, 99922, 170140, 192403, 199844, 249805, 384806, 499610, 769612, 962015, 999220, 1924030, 3848060, 9042941, 18085882, 36171764, 45214705, 90429410, 180858820]

約数ペア:

[(1, 180858820), (2, 90429410), (4, 45214705), (5, 36171764), (10, 18085882), (20, 9042941), (47, 3848060), (94, 1924030), (181, 999220), (188, 962015), (235, 769612), (362, 499610), (470, 384806), (724, 249805), (905, 199844), (940, 192403), (1063, 170140), (1810, 99922), (2126, 85070), (3620, 49961), (4252, 42535), (5315, 34028), (8507, 21260), (10630, 17014)]