253642340

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{1811731}}^1$

素因数の和:1811747

約数の個数: 24

約数和(自身を含む): 608741952

約数和(自身を除く): 355099612

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 1811731, 3623462, 7246924, 9058655, 12682117, 18117310, 25364234, 36234620, 50728468, 63410585, 126821170, 253642340]

約数ペア:

[(1, 253642340), (2, 126821170), (4, 63410585), (5, 50728468), (7, 36234620), (10, 25364234), (14, 18117310), (20, 12682117), (28, 9058655), (35, 7246924), (70, 3623462), (140, 1811731)]