136968020

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{978343}}^1$

素因数の和:978359

約数の個数: 24

約数和(自身を含む): 328723584

約数和(自身を除く): 191755564

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 978343, 1956686, 3913372, 4891715, 6848401, 9783430, 13696802, 19566860, 27393604, 34242005, 68484010, 136968020]

約数ペア:

[(1, 136968020), (2, 68484010), (4, 34242005), (5, 27393604), (7, 19566860), (10, 13696802), (14, 9783430), (20, 6848401), (28, 4891715), (35, 3913372), (70, 1956686), (140, 978343)]