247972480

素因数分解:

$2^7\times 5^1\times 7^1\times {\mathrm{55351}}^1$

素因数の和:55377

約数の個数: 64

約数和(自身を含む): 677508480

約数和(自身を除く): 429536000

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 32, 35, 40, 56, 64, 70, 80, 112, 128, 140, 160, 224, 280, 320, 448, 560, 640, 896, 1120, 2240, 4480, 55351, 110702, 221404, 276755, 387457, 442808, 553510, 774914, 885616, 1107020, 1549828, 1771232, 1937285, 2214040, 3099656, 3542464, 3874570, 4428080, 6199312, 7084928, 7749140, 8856160, 12398624, 15498280, 17712320, 24797248, 30996560, 35424640, 49594496, 61993120, 123986240, 247972480]

約数ペア:

[(1, 247972480), (2, 123986240), (4, 61993120), (5, 49594496), (7, 35424640), (8, 30996560), (10, 24797248), (14, 17712320), (16, 15498280), (20, 12398624), (28, 8856160), (32, 7749140), (35, 7084928), (40, 6199312), (56, 4428080), (64, 3874570), (70, 3542464), (80, 3099656), (112, 2214040), (128, 1937285), (140, 1771232), (160, 1549828), (224, 1107020), (280, 885616), (320, 774914), (448, 553510), (560, 442808), (640, 387457), (896, 276755), (1120, 221404), (2240, 110702), (4480, 55351)]