201782380

素因数分解:

$2^2\times 5^1\times {\mathrm{1019}}^1\times {\mathrm{9901}}^1$

素因数の和:10929

約数の個数: 24

約数和(自身を含む): 424201680

約数和(自身を除く): 222419300

約数列:

[1, 2, 4, 5, 10, 20, 1019, 2038, 4076, 5095, 9901, 10190, 19802, 20380, 39604, 49505, 99010, 198020, 10089119, 20178238, 40356476, 50445595, 100891190, 201782380]

約数ペア:

[(1, 201782380), (2, 100891190), (4, 50445595), (5, 40356476), (10, 20178238), (20, 10089119), (1019, 198020), (2038, 99010), (4076, 49505), (5095, 39604), (9901, 20380), (10190, 19802)]