189149800

素因数分解:

$2^3\times 5^2\times 7^2\times {\mathrm{19301}}^1$

素因数の和:19331

約数の個数: 72

約数和(自身を含む): 511599510

約数和(自身を除く): 322449710

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 25, 28, 35, 40, 49, 50, 56, 70, 98, 100, 140, 175, 196, 200, 245, 280, 350, 392, 490, 700, 980, 1225, 1400, 1960, 2450, 4900, 9800, 19301, 38602, 77204, 96505, 135107, 154408, 193010, 270214, 386020, 482525, 540428, 675535, 772040, 945749, 965050, 1080856, 1351070, 1891498, 1930100, 2702140, 3377675, 3782996, 3860200, 4728745, 5404280, 6755350, 7565992, 9457490, 13510700, 18914980, 23643725, 27021400, 37829960, 47287450, 94574900, 189149800]

約数ペア:

[(1, 189149800), (2, 94574900), (4, 47287450), (5, 37829960), (7, 27021400), (8, 23643725), (10, 18914980), (14, 13510700), (20, 9457490), (25, 7565992), (28, 6755350), (35, 5404280), (40, 4728745), (49, 3860200), (50, 3782996), (56, 3377675), (70, 2702140), (98, 1930100), (100, 1891498), (140, 1351070), (175, 1080856), (196, 965050), (200, 945749), (245, 772040), (280, 675535), (350, 540428), (392, 482525), (490, 386020), (700, 270214), (980, 193010), (1225, 154408), (1400, 135107), (1960, 96505), (2450, 77204), (4900, 38602), (9800, 19301)]