42756140

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{305401}}^1$

素因数の和:305417

約数の個数: 24

約数和(自身を含む): 102615072

約数和(自身を除く): 59858932

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 305401, 610802, 1221604, 1527005, 2137807, 3054010, 4275614, 6108020, 8551228, 10689035, 21378070, 42756140]

約数ペア:

[(1, 42756140), (2, 21378070), (4, 10689035), (5, 8551228), (7, 6108020), (10, 4275614), (14, 3054010), (20, 2137807), (28, 1527005), (35, 1221604), (70, 610802), (140, 305401)]