201628240

素因数分解:

$2^4\times 5^1\times {\mathrm{11}}^1\times {\mathrm{229123}}^1$

素因数の和:229147

約数の個数: 40

約数和(自身を含む): 511404768

約数和(自身を除く): 309776528

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 20, 22, 40, 44, 55, 80, 88, 110, 176, 220, 440, 880, 229123, 458246, 916492, 1145615, 1832984, 2291230, 2520353, 3665968, 4582460, 5040706, 9164920, 10081412, 12601765, 18329840, 20162824, 25203530, 40325648, 50407060, 100814120, 201628240]

約数ペア:

[(1, 201628240), (2, 100814120), (4, 50407060), (5, 40325648), (8, 25203530), (10, 20162824), (11, 18329840), (16, 12601765), (20, 10081412), (22, 9164920), (40, 5040706), (44, 4582460), (55, 3665968), (80, 2520353), (88, 2291230), (110, 1832984), (176, 1145615), (220, 916492), (440, 458246), (880, 229123)]