42398020

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{302843}}^1$

素因数の和:302859

約数の個数: 24

約数和(自身を含む): 101755584

約数和(自身を除く): 59357564

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 302843, 605686, 1211372, 1514215, 2119901, 3028430, 4239802, 6056860, 8479604, 10599505, 21199010, 42398020]

約数ペア:

[(1, 42398020), (2, 21199010), (4, 10599505), (5, 8479604), (7, 6056860), (10, 4239802), (14, 3028430), (20, 2119901), (28, 1514215), (35, 1211372), (70, 605686), (140, 302843)]