30977660

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{409}}^1\times {\mathrm{541}}^1$

素因数の和:966

約数の個数: 48

約数和(自身を含む): 74665920

約数和(自身を除く): 43688260

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 409, 541, 818, 1082, 1636, 2045, 2164, 2705, 2863, 3787, 4090, 5410, 5726, 7574, 8180, 10820, 11452, 14315, 15148, 18935, 28630, 37870, 57260, 75740, 221269, 442538, 885076, 1106345, 1548883, 2212690, 3097766, 4425380, 6195532, 7744415, 15488830, 30977660]

約数ペア:

[(1, 30977660), (2, 15488830), (4, 7744415), (5, 6195532), (7, 4425380), (10, 3097766), (14, 2212690), (20, 1548883), (28, 1106345), (35, 885076), (70, 442538), (140, 221269), (409, 75740), (541, 57260), (818, 37870), (1082, 28630), (1636, 18935), (2045, 15148), (2164, 14315), (2705, 11452), (2863, 10820), (3787, 8180), (4090, 7574), (5410, 5726)]