297996860

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{2128549}}^1$

素因数の和:2128565

約数の個数: 24

約数和(自身を含む): 715192800

約数和(自身を除く): 417195940

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 2128549, 4257098, 8514196, 10642745, 14899843, 21285490, 29799686, 42570980, 59599372, 74499215, 148998430, 297996860]

約数ペア:

[(1, 297996860), (2, 148998430), (4, 74499215), (5, 59599372), (7, 42570980), (10, 29799686), (14, 21285490), (20, 14899843), (28, 10642745), (35, 8514196), (70, 4257098), (140, 2128549)]