199438540

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{1424561}}^1$

素因数の和:1424577

約数の個数: 24

約数和(自身を含む): 478652832

約数和(自身を除く): 279214292

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 1424561, 2849122, 5698244, 7122805, 9971927, 14245610, 19943854, 28491220, 39887708, 49859635, 99719270, 199438540]

約数ペア:

[(1, 199438540), (2, 99719270), (4, 49859635), (5, 39887708), (7, 28491220), (10, 19943854), (14, 14245610), (20, 9971927), (28, 7122805), (35, 5698244), (70, 2849122), (140, 1424561)]