216255340

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{81299}}^1$

素因数の和:81334

約数の個数: 48

約数和(自身を含む): 546336000

約数和(自身を除く): 330080660

約数列:

[1, 2, 4, 5, 7, 10, 14, 19, 20, 28, 35, 38, 70, 76, 95, 133, 140, 190, 266, 380, 532, 665, 1330, 2660, 81299, 162598, 325196, 406495, 569093, 812990, 1138186, 1544681, 1625980, 2276372, 2845465, 3089362, 5690930, 6178724, 7723405, 10812767, 11381860, 15446810, 21625534, 30893620, 43251068, 54063835, 108127670, 216255340]

約数ペア:

[(1, 216255340), (2, 108127670), (4, 54063835), (5, 43251068), (7, 30893620), (10, 21625534), (14, 15446810), (19, 11381860), (20, 10812767), (28, 7723405), (35, 6178724), (38, 5690930), (70, 3089362), (76, 2845465), (95, 2276372), (133, 1625980), (140, 1544681), (190, 1138186), (266, 812990), (380, 569093), (532, 406495), (665, 325196), (1330, 162598), (2660, 81299)]