2697290

素因数分解:

$2^1\times 5^1\times {\mathrm{29}}^1\times {\mathrm{71}}^1\times {\mathrm{131}}^1$

素因数の和:238

約数の個数: 32

約数和(自身を含む): 5132160

約数和(自身を除く): 2434870

約数列:

[1, 2, 5, 10, 29, 58, 71, 131, 142, 145, 262, 290, 355, 655, 710, 1310, 2059, 3799, 4118, 7598, 9301, 10295, 18602, 18995, 20590, 37990, 46505, 93010, 269729, 539458, 1348645, 2697290]

約数ペア:

[(1, 2697290), (2, 1348645), (5, 539458), (10, 269729), (29, 93010), (58, 46505), (71, 37990), (131, 20590), (142, 18995), (145, 18602), (262, 10295), (290, 9301), (355, 7598), (655, 4118), (710, 3799), (1310, 2059)]