120400

素因数分解:

$2^4\times 5^2\times 7^1\times {\mathrm{43}}^1$

素因数の和:68

約数の個数: 60

約数和(自身を含む): 338272

約数和(自身を除く): 217872

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 25, 28, 35, 40, 43, 50, 56, 70, 80, 86, 100, 112, 140, 172, 175, 200, 215, 280, 301, 344, 350, 400, 430, 560, 602, 688, 700, 860, 1075, 1204, 1400, 1505, 1720, 2150, 2408, 2800, 3010, 3440, 4300, 4816, 6020, 7525, 8600, 12040, 15050, 17200, 24080, 30100, 60200, 120400]

約数ペア:

[(1, 120400), (2, 60200), (4, 30100), (5, 24080), (7, 17200), (8, 15050), (10, 12040), (14, 8600), (16, 7525), (20, 6020), (25, 4816), (28, 4300), (35, 3440), (40, 3010), (43, 2800), (50, 2408), (56, 2150), (70, 1720), (80, 1505), (86, 1400), (100, 1204), (112, 1075), (140, 860), (172, 700), (175, 688), (200, 602), (215, 560), (280, 430), (301, 400), (344, 350)]