190978820

素因数分解:

$2^2\times 5^1\times {\mathrm{41}}^1\times {\mathrm{232901}}^1$

素因数の和:232951

約数の個数: 24

約数和(自身を含む): 410839128

約数和(自身を除く): 219860308

約数列:

[1, 2, 4, 5, 10, 20, 41, 82, 164, 205, 410, 820, 232901, 465802, 931604, 1164505, 2329010, 4658020, 9548941, 19097882, 38195764, 47744705, 95489410, 190978820]

約数ペア:

[(1, 190978820), (2, 95489410), (4, 47744705), (5, 38195764), (10, 19097882), (20, 9548941), (41, 4658020), (82, 2329010), (164, 1164505), (205, 931604), (410, 465802), (820, 232901)]