118580980

素因数分解:

$2^2\times 5^1\times 7^2\times {\mathrm{121001}}^1$

素因数の和:121024

約数の個数: 36

約数和(自身を含む): 289678788

約数和(自身を除く): 171097808

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 49, 70, 98, 140, 196, 245, 490, 980, 121001, 242002, 484004, 605005, 847007, 1210010, 1694014, 2420020, 3388028, 4235035, 5929049, 8470070, 11858098, 16940140, 23716196, 29645245, 59290490, 118580980]

約数ペア:

[(1, 118580980), (2, 59290490), (4, 29645245), (5, 23716196), (7, 16940140), (10, 11858098), (14, 8470070), (20, 5929049), (28, 4235035), (35, 3388028), (49, 2420020), (70, 1694014), (98, 1210010), (140, 847007), (196, 605005), (245, 484004), (490, 242002), (980, 121001)]