99149980

素因数分解:

$2^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{260921}}^1$

素因数の和:260949

約数の個数: 24

約数和(自身を含む): 219174480

約数和(自身を除く): 120024500

約数列:

[1, 2, 4, 5, 10, 19, 20, 38, 76, 95, 190, 380, 260921, 521842, 1043684, 1304605, 2609210, 4957499, 5218420, 9914998, 19829996, 24787495, 49574990, 99149980]

約数ペア:

[(1, 99149980), (2, 49574990), (4, 24787495), (5, 19829996), (10, 9914998), (19, 5218420), (20, 4957499), (38, 2609210), (76, 1304605), (95, 1043684), (190, 521842), (380, 260921)]