9781210

素因数分解:

$2^1\times 5^1\times {\mathrm{23}}^2\times {\mathrm{43}}^2$

素因数の和:139

約数の個数: 36

約数和(自身を含む): 18842922

約数和(自身を除く): 9061712

約数列:

[1, 2, 5, 10, 23, 43, 46, 86, 115, 215, 230, 430, 529, 989, 1058, 1849, 1978, 2645, 3698, 4945, 5290, 9245, 9890, 18490, 22747, 42527, 45494, 85054, 113735, 212635, 227470, 425270, 978121, 1956242, 4890605, 9781210]

約数ペア:

[(1, 9781210), (2, 4890605), (5, 1956242), (10, 978121), (23, 425270), (43, 227470), (46, 212635), (86, 113735), (115, 85054), (215, 45494), (230, 42527), (430, 22747), (529, 18490), (989, 9890), (1058, 9245), (1849, 5290), (1978, 4945), (2645, 3698)]