219788940

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{523307}}^1$

素因数の和:523326

約数の個数: 48

約数和(自身を含む): 703325952

約数和(自身を除く): 483537012

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 20, 21, 28, 30, 35, 42, 60, 70, 84, 105, 140, 210, 420, 523307, 1046614, 1569921, 2093228, 2616535, 3139842, 3663149, 5233070, 6279684, 7326298, 7849605, 10466140, 10989447, 14652596, 15699210, 18315745, 21978894, 31398420, 36631490, 43957788, 54947235, 73262980, 109894470, 219788940]

約数ペア:

[(1, 219788940), (2, 109894470), (3, 73262980), (4, 54947235), (5, 43957788), (6, 36631490), (7, 31398420), (10, 21978894), (12, 18315745), (14, 15699210), (15, 14652596), (20, 10989447), (21, 10466140), (28, 7849605), (30, 7326298), (35, 6279684), (42, 5233070), (60, 3663149), (70, 3139842), (84, 2616535), (105, 2093228), (140, 1569921), (210, 1046614), (420, 523307)]