197708840

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{43}}^1\times {\mathrm{16421}}^1$

素因数の和:16482

約数の個数: 64

約数和(自身を含む): 520248960

約数和(自身を除く): 322540120

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 43, 56, 70, 86, 140, 172, 215, 280, 301, 344, 430, 602, 860, 1204, 1505, 1720, 2408, 3010, 6020, 12040, 16421, 32842, 65684, 82105, 114947, 131368, 164210, 229894, 328420, 459788, 574735, 656840, 706103, 919576, 1149470, 1412206, 2298940, 2824412, 3530515, 4597880, 4942721, 5648824, 7061030, 9885442, 14122060, 19770884, 24713605, 28244120, 39541768, 49427210, 98854420, 197708840]

約数ペア:

[(1, 197708840), (2, 98854420), (4, 49427210), (5, 39541768), (7, 28244120), (8, 24713605), (10, 19770884), (14, 14122060), (20, 9885442), (28, 7061030), (35, 5648824), (40, 4942721), (43, 4597880), (56, 3530515), (70, 2824412), (86, 2298940), (140, 1412206), (172, 1149470), (215, 919576), (280, 706103), (301, 656840), (344, 574735), (430, 459788), (602, 328420), (860, 229894), (1204, 164210), (1505, 131368), (1720, 114947), (2408, 82105), (3010, 65684), (6020, 32842), (12040, 16421)]