12819800

素因数分解:

$2^3\times 5^2\times 7^1\times {\mathrm{9157}}^1$

素因数の和:9180

約数の個数: 48

約数和(自身を含む): 34067760

約数和(自身を除く): 21247960

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 25, 28, 35, 40, 50, 56, 70, 100, 140, 175, 200, 280, 350, 700, 1400, 9157, 18314, 36628, 45785, 64099, 73256, 91570, 128198, 183140, 228925, 256396, 320495, 366280, 457850, 512792, 640990, 915700, 1281980, 1602475, 1831400, 2563960, 3204950, 6409900, 12819800]

約数ペア:

[(1, 12819800), (2, 6409900), (4, 3204950), (5, 2563960), (7, 1831400), (8, 1602475), (10, 1281980), (14, 915700), (20, 640990), (25, 512792), (28, 457850), (35, 366280), (40, 320495), (50, 256396), (56, 228925), (70, 183140), (100, 128198), (140, 91570), (175, 73256), (200, 64099), (280, 45785), (350, 36628), (700, 18314), (1400, 9157)]