172044880

素因数分解:

$2^4\times 5^1\times 7^2\times {\mathrm{43889}}^1$

素因数の和:43916

約数の個数: 60

約数和(自身を含む): 465321780

約数和(自身を除く): 293276900

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 35, 40, 49, 56, 70, 80, 98, 112, 140, 196, 245, 280, 392, 490, 560, 784, 980, 1960, 3920, 43889, 87778, 175556, 219445, 307223, 351112, 438890, 614446, 702224, 877780, 1228892, 1536115, 1755560, 2150561, 2457784, 3072230, 3511120, 4301122, 4915568, 6144460, 8602244, 10752805, 12288920, 17204488, 21505610, 24577840, 34408976, 43011220, 86022440, 172044880]

約数ペア:

[(1, 172044880), (2, 86022440), (4, 43011220), (5, 34408976), (7, 24577840), (8, 21505610), (10, 17204488), (14, 12288920), (16, 10752805), (20, 8602244), (28, 6144460), (35, 4915568), (40, 4301122), (49, 3511120), (56, 3072230), (70, 2457784), (80, 2150561), (98, 1755560), (112, 1536115), (140, 1228892), (196, 877780), (245, 702224), (280, 614446), (392, 438890), (490, 351112), (560, 307223), (784, 219445), (980, 175556), (1960, 87778), (3920, 43889)]