7487990020

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{53485643}}^1$

素因数の和:53485659

約数の個数: 24

約数和(自身を含む): 17971176384

約数和(自身を除く): 10483186364

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 53485643, 106971286, 213942572, 267428215, 374399501, 534856430, 748799002, 1069712860, 1497598004, 1871997505, 3743995010, 7487990020]

約数ペア:

[(1, 7487990020), (2, 3743995010), (4, 1871997505), (5, 1497598004), (7, 1069712860), (10, 748799002), (14, 534856430), (20, 374399501), (28, 267428215), (35, 213942572), (70, 106971286), (140, 53485643)]