223518980

素因数分解:

$2^2\times 5^1\times {\mathrm{1543}}^1\times {\mathrm{7243}}^1$

素因数の和:8795

約数の個数: 24

約数和(自身を含む): 469758912

約数和(自身を除く): 246239932

約数列:

[1, 2, 4, 5, 10, 20, 1543, 3086, 6172, 7243, 7715, 14486, 15430, 28972, 30860, 36215, 72430, 144860, 11175949, 22351898, 44703796, 55879745, 111759490, 223518980]

約数ペア:

[(1, 223518980), (2, 111759490), (4, 55879745), (5, 44703796), (10, 22351898), (20, 11175949), (1543, 144860), (3086, 72430), (6172, 36215), (7243, 30860), (7715, 28972), (14486, 15430)]