209225710

素因数分解:

$2^1\times 5^1\times {\mathrm{23}}^1\times {\mathrm{499}}^1\times {\mathrm{1823}}^1$

素因数の和:2352

約数の個数: 32

約数和(自身を含む): 393984000

約数和(自身を除く): 184758290

約数列:

[1, 2, 5, 10, 23, 46, 115, 230, 499, 998, 1823, 2495, 3646, 4990, 9115, 11477, 18230, 22954, 41929, 57385, 83858, 114770, 209645, 419290, 909677, 1819354, 4548385, 9096770, 20922571, 41845142, 104612855, 209225710]

約数ペア:

[(1, 209225710), (2, 104612855), (5, 41845142), (10, 20922571), (23, 9096770), (46, 4548385), (115, 1819354), (230, 909677), (499, 419290), (998, 209645), (1823, 114770), (2495, 83858), (3646, 57385), (4990, 41929), (9115, 22954), (11477, 18230)]