405255730

素因数分解:

$2^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{127}}^1\times {\mathrm{29009}}^1$

素因数の和:29154

約数の個数: 32

約数和(自身を含む): 802068480

約数和(自身を除く): 396812750

約数列:

[1, 2, 5, 10, 11, 22, 55, 110, 127, 254, 635, 1270, 1397, 2794, 6985, 13970, 29009, 58018, 145045, 290090, 319099, 638198, 1595495, 3190990, 3684143, 7368286, 18420715, 36841430, 40525573, 81051146, 202627865, 405255730]

約数ペア:

[(1, 405255730), (2, 202627865), (5, 81051146), (10, 40525573), (11, 36841430), (22, 18420715), (55, 7368286), (110, 3684143), (127, 3190990), (254, 1595495), (635, 638198), (1270, 319099), (1397, 290090), (2794, 145045), (6985, 58018), (13970, 29009)]