214970980

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{1535507}}^1$

素因数の和:1535523

約数の個数: 24

約数和(自身を含む): 515930688

約数和(自身を除く): 300959708

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 1535507, 3071014, 6142028, 7677535, 10748549, 15355070, 21497098, 30710140, 42994196, 53742745, 107485490, 214970980]

約数ペア:

[(1, 214970980), (2, 107485490), (4, 53742745), (5, 42994196), (7, 30710140), (10, 21497098), (14, 15355070), (20, 10748549), (28, 7677535), (35, 6142028), (70, 3071014), (140, 1535507)]