211580500

素因数分解:

$2^2\times 5^3\times {\mathrm{41}}^1\times {\mathrm{10321}}^1$

素因数の和:10381

約数の個数: 48

約数和(自身を含む): 473408208

約数和(自身を除く): 261827708

約数列:

[1, 2, 4, 5, 10, 20, 25, 41, 50, 82, 100, 125, 164, 205, 250, 410, 500, 820, 1025, 2050, 4100, 5125, 10250, 10321, 20500, 20642, 41284, 51605, 103210, 206420, 258025, 423161, 516050, 846322, 1032100, 1290125, 1692644, 2115805, 2580250, 4231610, 5160500, 8463220, 10579025, 21158050, 42316100, 52895125, 105790250, 211580500]

約数ペア:

[(1, 211580500), (2, 105790250), (4, 52895125), (5, 42316100), (10, 21158050), (20, 10579025), (25, 8463220), (41, 5160500), (50, 4231610), (82, 2580250), (100, 2115805), (125, 1692644), (164, 1290125), (205, 1032100), (250, 846322), (410, 516050), (500, 423161), (820, 258025), (1025, 206420), (2050, 103210), (4100, 51605), (5125, 41284), (10250, 20642), (10321, 20500)]