31136420

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{222403}}^1$

素因数の和:222419

約数の個数: 24

約数和(自身を含む): 74727744

約数和(自身を除く): 43591324

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 222403, 444806, 889612, 1112015, 1556821, 2224030, 3113642, 4448060, 6227284, 7784105, 15568210, 31136420]

約数ペア:

[(1, 31136420), (2, 15568210), (4, 7784105), (5, 6227284), (7, 4448060), (10, 3113642), (14, 2224030), (20, 1556821), (28, 1112015), (35, 889612), (70, 444806), (140, 222403)]