210894140

素因数分解:

$2^2\times 5^1\times {\mathrm{71}}^1\times {\mathrm{148517}}^1$

素因数の和:148597

約数の個数: 24

約数和(自身を含む): 449118432

約数和(自身を除く): 238224292

約数列:

[1, 2, 4, 5, 10, 20, 71, 142, 284, 355, 710, 1420, 148517, 297034, 594068, 742585, 1485170, 2970340, 10544707, 21089414, 42178828, 52723535, 105447070, 210894140]

約数ペア:

[(1, 210894140), (2, 105447070), (4, 52723535), (5, 42178828), (10, 21089414), (20, 10544707), (71, 2970340), (142, 1485170), (284, 742585), (355, 594068), (710, 297034), (1420, 148517)]