418501904

素因数分解:

$2^4\times {\mathrm{19}}^1\times {\mathrm{659}}^1\times {\mathrm{2089}}^1$

素因数の和:2775

約数の個数: 40

約数和(自身を含む): 855228000

約数和(自身を除く): 436726096

約数列:

[1, 2, 4, 8, 16, 19, 38, 76, 152, 304, 659, 1318, 2089, 2636, 4178, 5272, 8356, 10544, 12521, 16712, 25042, 33424, 39691, 50084, 79382, 100168, 158764, 200336, 317528, 635056, 1376651, 2753302, 5506604, 11013208, 22026416, 26156369, 52312738, 104625476, 209250952, 418501904]

約数ペア:

[(1, 418501904), (2, 209250952), (4, 104625476), (8, 52312738), (16, 26156369), (19, 22026416), (38, 11013208), (76, 5506604), (152, 2753302), (304, 1376651), (659, 635056), (1318, 317528), (2089, 200336), (2636, 158764), (4178, 100168), (5272, 79382), (8356, 50084), (10544, 39691), (12521, 33424), (16712, 25042)]