30680020

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{219143}}^1$

素因数の和:219159

約数の個数: 24

約数和(自身を含む): 73632384

約数和(自身を除く): 42952364

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 219143, 438286, 876572, 1095715, 1534001, 2191430, 3068002, 4382860, 6136004, 7670005, 15340010, 30680020]

約数ペア:

[(1, 30680020), (2, 15340010), (4, 7670005), (5, 6136004), (7, 4382860), (10, 3068002), (14, 2191430), (20, 1534001), (28, 1095715), (35, 876572), (70, 438286), (140, 219143)]