223454540

素因数分解:

$2^2\times 5^1\times {\mathrm{1123}}^1\times {\mathrm{9949}}^1$

素因数の和:11081

約数の個数: 24

約数和(自身を含む): 469719600

約数和(自身を除く): 246265060

約数列:

[1, 2, 4, 5, 10, 20, 1123, 2246, 4492, 5615, 9949, 11230, 19898, 22460, 39796, 49745, 99490, 198980, 11172727, 22345454, 44690908, 55863635, 111727270, 223454540]

約数ペア:

[(1, 223454540), (2, 111727270), (4, 55863635), (5, 44690908), (10, 22345454), (20, 11172727), (1123, 198980), (2246, 99490), (4492, 49745), (5615, 39796), (9949, 22460), (11230, 19898)]