29919820

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{213713}}^1$

素因数の和:213729

約数の個数: 24

約数和(自身を含む): 71807904

約数和(自身を除く): 41888084

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 213713, 427426, 854852, 1068565, 1495991, 2137130, 2991982, 4274260, 5983964, 7479955, 14959910, 29919820]

約数ペア:

[(1, 29919820), (2, 14959910), (4, 7479955), (5, 5983964), (7, 4274260), (10, 2991982), (14, 2137130), (20, 1495991), (28, 1068565), (35, 854852), (70, 427426), (140, 213713)]