201420940

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{1438721}}^1$

素因数の和:1438737

約数の個数: 24

約数和(自身を含む): 483410592

約数和(自身を除く): 281989652

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 1438721, 2877442, 5754884, 7193605, 10071047, 14387210, 20142094, 28774420, 40284188, 50355235, 100710470, 201420940]

約数ペア:

[(1, 201420940), (2, 100710470), (4, 50355235), (5, 40284188), (7, 28774420), (10, 20142094), (14, 14387210), (20, 10071047), (28, 7193605), (35, 5754884), (70, 2877442), (140, 1438721)]