22274140

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{389}}^1\times {\mathrm{409}}^1$

素因数の和:814

約数の個数: 48

約数和(自身を含む): 53726400

約数和(自身を除く): 31452260

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 389, 409, 778, 818, 1556, 1636, 1945, 2045, 2723, 2863, 3890, 4090, 5446, 5726, 7780, 8180, 10892, 11452, 13615, 14315, 27230, 28630, 54460, 57260, 159101, 318202, 636404, 795505, 1113707, 1591010, 2227414, 3182020, 4454828, 5568535, 11137070, 22274140]

約数ペア:

[(1, 22274140), (2, 11137070), (4, 5568535), (5, 4454828), (7, 3182020), (10, 2227414), (14, 1591010), (20, 1113707), (28, 795505), (35, 636404), (70, 318202), (140, 159101), (389, 57260), (409, 54460), (778, 28630), (818, 27230), (1556, 14315), (1636, 13615), (1945, 11452), (2045, 10892), (2723, 8180), (2863, 7780), (3890, 5726), (4090, 5446)]