28013930

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{400199}}^1$

素因数の和:400213

約数の個数: 16

約数和(自身を含む): 57628800

約数和(自身を除く): 29614870

約数列:

[1, 2, 5, 7, 10, 14, 35, 70, 400199, 800398, 2000995, 2801393, 4001990, 5602786, 14006965, 28013930]

約数ペア:

[(1, 28013930), (2, 14006965), (5, 5602786), (7, 4001990), (10, 2801393), (14, 2000995), (35, 800398), (70, 400199)]