199520

素因数分解:

$2^5\times 5^1\times {\mathrm{29}}^1\times {\mathrm{43}}^1$

素因数の和:87

約数の個数: 48

約数和(自身を含む): 498960

約数和(自身を除く): 299440

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 29, 32, 40, 43, 58, 80, 86, 116, 145, 160, 172, 215, 232, 290, 344, 430, 464, 580, 688, 860, 928, 1160, 1247, 1376, 1720, 2320, 2494, 3440, 4640, 4988, 6235, 6880, 9976, 12470, 19952, 24940, 39904, 49880, 99760, 199520]

約数ペア:

[(1, 199520), (2, 99760), (4, 49880), (5, 39904), (8, 24940), (10, 19952), (16, 12470), (20, 9976), (29, 6880), (32, 6235), (40, 4988), (43, 4640), (58, 3440), (80, 2494), (86, 2320), (116, 1720), (145, 1376), (160, 1247), (172, 1160), (215, 928), (232, 860), (290, 688), (344, 580), (430, 464)]