209817381880

素因数分解:

$2^3\times 5^1\times {\mathrm{103}}^1\times {\mathrm{1013}}^1\times {\mathrm{50273}}^1$

素因数の和:51400

約数の個数: 64

約数和(自身を含む): 477152544960

約数和(自身を除く): 267335163080

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 103, 206, 412, 515, 824, 1013, 1030, 2026, 2060, 4052, 4120, 5065, 8104, 10130, 20260, 40520, 50273, 100546, 104339, 201092, 208678, 251365, 402184, 417356, 502730, 521695, 834712, 1005460, 1043390, 2010920, 2086780, 4173560, 5178119, 10356238, 20712476, 25890595, 41424952, 50926549, 51781190, 101853098, 103562380, 203706196, 207124760, 254632745, 407412392, 509265490, 1018530980, 2037061960, 5245434547, 10490869094, 20981738188, 26227172735, 41963476376, 52454345470, 104908690940, 209817381880]

約数ペア:

[(1, 209817381880), (2, 104908690940), (4, 52454345470), (5, 41963476376), (8, 26227172735), (10, 20981738188), (20, 10490869094), (40, 5245434547), (103, 2037061960), (206, 1018530980), (412, 509265490), (515, 407412392), (824, 254632745), (1013, 207124760), (1030, 203706196), (2026, 103562380), (2060, 101853098), (4052, 51781190), (4120, 50926549), (5065, 41424952), (8104, 25890595), (10130, 20712476), (20260, 10356238), (40520, 5178119), (50273, 4173560), (100546, 2086780), (104339, 2010920), (201092, 1043390), (208678, 1005460), (251365, 834712), (402184, 521695), (417356, 502730)]