229887980

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{1642057}}^1$

素因数の和:1642073

約数の個数: 24

約数和(自身を含む): 551731488

約数和(自身を除く): 321843508

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 1642057, 3284114, 6568228, 8210285, 11494399, 16420570, 22988798, 32841140, 45977596, 57471995, 114943990, 229887980]

約数ペア:

[(1, 229887980), (2, 114943990), (4, 57471995), (5, 45977596), (7, 32841140), (10, 22988798), (14, 16420570), (20, 11494399), (28, 8210285), (35, 6568228), (70, 3284114), (140, 1642057)]