138962090

素因数分解:

$2^1\times 5^1\times {\mathrm{23}}^1\times {\mathrm{509}}^1\times {\mathrm{1187}}^1$

素因数の和:1726

約数の個数: 32

約数和(自身を含む): 261740160

約数和(自身を除く): 122778070

約数列:

[1, 2, 5, 10, 23, 46, 115, 230, 509, 1018, 1187, 2374, 2545, 5090, 5935, 11707, 11870, 23414, 27301, 54602, 58535, 117070, 136505, 273010, 604183, 1208366, 3020915, 6041830, 13896209, 27792418, 69481045, 138962090]

約数ペア:

[(1, 138962090), (2, 69481045), (5, 27792418), (10, 13896209), (23, 6041830), (46, 3020915), (115, 1208366), (230, 604183), (509, 273010), (1018, 136505), (1187, 117070), (2374, 58535), (2545, 54602), (5090, 27301), (5935, 23414), (11707, 11870)]