201698990

素因数分解:

$2^1\times 5^1\times {\mathrm{179}}^1\times {\mathrm{281}}^1\times {\mathrm{401}}^1$

素因数の和:868

約数の個数: 32

約数和(自身を含む): 367299360

約数和(自身を除く): 165600370

約数列:

[1, 2, 5, 10, 179, 281, 358, 401, 562, 802, 895, 1405, 1790, 2005, 2810, 4010, 50299, 71779, 100598, 112681, 143558, 225362, 251495, 358895, 502990, 563405, 717790, 1126810, 20169899, 40339798, 100849495, 201698990]

約数ペア:

[(1, 201698990), (2, 100849495), (5, 40339798), (10, 20169899), (179, 1126810), (281, 717790), (358, 563405), (401, 502990), (562, 358895), (802, 251495), (895, 225362), (1405, 143558), (1790, 112681), (2005, 100598), (2810, 71779), (4010, 50299)]