30237340

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{215981}}^1$

素因数の和:215997

約数の個数: 24

約数和(自身を含む): 72569952

約数和(自身を除く): 42332612

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 215981, 431962, 863924, 1079905, 1511867, 2159810, 3023734, 4319620, 6047468, 7559335, 15118670, 30237340]

約数ペア:

[(1, 30237340), (2, 15118670), (4, 7559335), (5, 6047468), (7, 4319620), (10, 3023734), (14, 2159810), (20, 1511867), (28, 1079905), (35, 863924), (70, 431962), (140, 215981)]