218428120

素因数分解:

$2^3\times 5^1\times {\mathrm{5460703}}^1$

素因数の和:5460714

約数の個数: 16

約数和(自身を含む): 491463360

約数和(自身を除く): 273035240

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 5460703, 10921406, 21842812, 27303515, 43685624, 54607030, 109214060, 218428120]

約数ペア:

[(1, 218428120), (2, 109214060), (4, 54607030), (5, 43685624), (8, 27303515), (10, 21842812), (20, 10921406), (40, 5460703)]