4256420

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{30403}}^1$

素因数の和:30419

約数の個数: 24

約数和(自身を含む): 10215744

約数和(自身を除く): 5959324

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 30403, 60806, 121612, 152015, 212821, 304030, 425642, 608060, 851284, 1064105, 2128210, 4256420]

約数ペア:

[(1, 4256420), (2, 2128210), (4, 1064105), (5, 851284), (7, 608060), (10, 425642), (14, 304030), (20, 212821), (28, 152015), (35, 121612), (70, 60806), (140, 30403)]