198299960

素因数分解:

$2^3\times 5^1\times {\mathrm{19}}^1\times {\mathrm{260921}}^1$

素因数の和:260951

約数の個数: 32

約数和(自身を含む): 469659600

約数和(自身を除く): 271359640

約数列:

[1, 2, 4, 5, 8, 10, 19, 20, 38, 40, 76, 95, 152, 190, 380, 760, 260921, 521842, 1043684, 1304605, 2087368, 2609210, 4957499, 5218420, 9914998, 10436840, 19829996, 24787495, 39659992, 49574990, 99149980, 198299960]

約数ペア:

[(1, 198299960), (2, 99149980), (4, 49574990), (5, 39659992), (8, 24787495), (10, 19829996), (19, 10436840), (20, 9914998), (38, 5218420), (40, 4957499), (76, 2609210), (95, 2087368), (152, 1304605), (190, 1043684), (380, 521842), (760, 260921)]