389942560

素因数分解:

$2^5\times 5^1\times 7^1\times {\mathrm{348163}}^1$

素因数の和:348185

約数の個数: 48

約数和(自身を含む): 1052847936

約数和(自身を除く): 662905376

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 32, 35, 40, 56, 70, 80, 112, 140, 160, 224, 280, 560, 1120, 348163, 696326, 1392652, 1740815, 2437141, 2785304, 3481630, 4874282, 5570608, 6963260, 9748564, 11141216, 12185705, 13926520, 19497128, 24371410, 27853040, 38994256, 48742820, 55706080, 77988512, 97485640, 194971280, 389942560]

約数ペア:

[(1, 389942560), (2, 194971280), (4, 97485640), (5, 77988512), (7, 55706080), (8, 48742820), (10, 38994256), (14, 27853040), (16, 24371410), (20, 19497128), (28, 13926520), (32, 12185705), (35, 11141216), (40, 9748564), (56, 6963260), (70, 5570608), (80, 4874282), (112, 3481630), (140, 2785304), (160, 2437141), (224, 1740815), (280, 1392652), (560, 696326), (1120, 348163)]