202370980

素因数分解:

$2^2\times 5^1\times 7^2\times {\mathrm{206501}}^1$

素因数の和:206524

約数の個数: 36

約数和(自身を含む): 494365788

約数和(自身を除く): 291994808

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 49, 70, 98, 140, 196, 245, 490, 980, 206501, 413002, 826004, 1032505, 1445507, 2065010, 2891014, 4130020, 5782028, 7227535, 10118549, 14455070, 20237098, 28910140, 40474196, 50592745, 101185490, 202370980]

約数ペア:

[(1, 202370980), (2, 101185490), (4, 50592745), (5, 40474196), (7, 28910140), (10, 20237098), (14, 14455070), (20, 10118549), (28, 7227535), (35, 5782028), (49, 4130020), (70, 2891014), (98, 2065010), (140, 1445507), (196, 1032505), (245, 826004), (490, 413002), (980, 206501)]