197374220

素因数分解:

$2^2\times 5^1\times {\mathrm{443}}^1\times {\mathrm{22277}}^1$

素因数の和:22729

約数の個数: 24

約数和(自身を含む): 415440144

約数和(自身を除く): 218065924

約数列:

[1, 2, 4, 5, 10, 20, 443, 886, 1772, 2215, 4430, 8860, 22277, 44554, 89108, 111385, 222770, 445540, 9868711, 19737422, 39474844, 49343555, 98687110, 197374220]

約数ペア:

[(1, 197374220), (2, 98687110), (4, 49343555), (5, 39474844), (10, 19737422), (20, 9868711), (443, 445540), (886, 222770), (1772, 111385), (2215, 89108), (4430, 44554), (8860, 22277)]