202121780

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{1443727}}^1$

素因数の和:1443743

約数の個数: 24

約数和(自身を含む): 485092608

約数和(自身を除く): 282970828

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 1443727, 2887454, 5774908, 7218635, 10106089, 14437270, 20212178, 28874540, 40424356, 50530445, 101060890, 202121780]

約数ペア:

[(1, 202121780), (2, 101060890), (4, 50530445), (5, 40424356), (7, 28874540), (10, 20212178), (14, 14437270), (20, 10106089), (28, 7218635), (35, 5774908), (70, 2887454), (140, 1443727)]