139390490

素因数分解:

$2^1\times 5^1\times {\mathrm{61}}^1\times {\mathrm{228509}}^1$

素因数の和:228577

約数の個数: 16

約数和(自身を含む): 255017160

約数和(自身を除く): 115626670

約数列:

[1, 2, 5, 10, 61, 122, 305, 610, 228509, 457018, 1142545, 2285090, 13939049, 27878098, 69695245, 139390490]

約数ペア:

[(1, 139390490), (2, 69695245), (5, 27878098), (10, 13939049), (61, 2285090), (122, 1142545), (305, 457018), (610, 228509)]