280128070

素因数分解:

$2^1\times 5^1\times {\mathrm{103}}^1\times {\mathrm{271969}}^1$

素因数の和:272079

約数の個数: 16

約数和(自身を含む): 509127840

約数和(自身を除く): 228999770

約数列:

[1, 2, 5, 10, 103, 206, 515, 1030, 271969, 543938, 1359845, 2719690, 28012807, 56025614, 140064035, 280128070]

約数ペア:

[(1, 280128070), (2, 140064035), (5, 56025614), (10, 28012807), (103, 2719690), (206, 1359845), (515, 543938), (1030, 271969)]