217378070

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{238877}}^1$

素因数の和:238904

約数の個数: 32

約数和(自身を含む): 481578048

約数和(自身を除く): 264199978

約数列:

[1, 2, 5, 7, 10, 13, 14, 26, 35, 65, 70, 91, 130, 182, 455, 910, 238877, 477754, 1194385, 1672139, 2388770, 3105401, 3344278, 6210802, 8360695, 15527005, 16721390, 21737807, 31054010, 43475614, 108689035, 217378070]

約数ペア:

[(1, 217378070), (2, 108689035), (5, 43475614), (7, 31054010), (10, 21737807), (13, 16721390), (14, 15527005), (26, 8360695), (35, 6210802), (65, 3344278), (70, 3105401), (91, 2388770), (130, 1672139), (182, 1194385), (455, 477754), (910, 238877)]