240800

素因数分解:

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

素因数の和:70

約数の個数: 72

約数和(自身を含む): 687456

約数和(自身を除く): 446656

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 25, 28, 32, 35, 40, 43, 50, 56, 70, 80, 86, 100, 112, 140, 160, 172, 175, 200, 215, 224, 280, 301, 344, 350, 400, 430, 560, 602, 688, 700, 800, 860, 1075, 1120, 1204, 1376, 1400, 1505, 1720, 2150, 2408, 2800, 3010, 3440, 4300, 4816, 5600, 6020, 6880, 7525, 8600, 9632, 12040, 15050, 17200, 24080, 30100, 34400, 48160, 60200, 120400, 240800]

約数ペア:

[(1, 240800), (2, 120400), (4, 60200), (5, 48160), (7, 34400), (8, 30100), (10, 24080), (14, 17200), (16, 15050), (20, 12040), (25, 9632), (28, 8600), (32, 7525), (35, 6880), (40, 6020), (43, 5600), (50, 4816), (56, 4300), (70, 3440), (80, 3010), (86, 2800), (100, 2408), (112, 2150), (140, 1720), (160, 1505), (172, 1400), (175, 1376), (200, 1204), (215, 1120), (224, 1075), (280, 860), (301, 800), (344, 700), (350, 688), (400, 602), (430, 560)]