209728600

素因数分解:

$2^3\times 5^2\times {\mathrm{103}}^1\times {\mathrm{10181}}^1$

素因数の和:10300

約数の個数: 48

約数和(自身を含む): 492401520

約数和(自身を除く): 282672920

約数列:

[1, 2, 4, 5, 8, 10, 20, 25, 40, 50, 100, 103, 200, 206, 412, 515, 824, 1030, 2060, 2575, 4120, 5150, 10181, 10300, 20362, 20600, 40724, 50905, 81448, 101810, 203620, 254525, 407240, 509050, 1018100, 1048643, 2036200, 2097286, 4194572, 5243215, 8389144, 10486430, 20972860, 26216075, 41945720, 52432150, 104864300, 209728600]

約数ペア:

[(1, 209728600), (2, 104864300), (4, 52432150), (5, 41945720), (8, 26216075), (10, 20972860), (20, 10486430), (25, 8389144), (40, 5243215), (50, 4194572), (100, 2097286), (103, 2036200), (200, 1048643), (206, 1018100), (412, 509050), (515, 407240), (824, 254525), (1030, 203620), (2060, 101810), (2575, 81448), (4120, 50905), (5150, 40724), (10181, 20600), (10300, 20362)]