261000110

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{43}}^1\times {\mathrm{86711}}^1$

素因数の和:86768

約数の個数: 32

約数和(自身を含む): 549407232

約数和(自身を除く): 288407122

約数列:

[1, 2, 5, 7, 10, 14, 35, 43, 70, 86, 215, 301, 430, 602, 1505, 3010, 86711, 173422, 433555, 606977, 867110, 1213954, 3034885, 3728573, 6069770, 7457146, 18642865, 26100011, 37285730, 52200022, 130500055, 261000110]

約数ペア:

[(1, 261000110), (2, 130500055), (5, 52200022), (7, 37285730), (10, 26100011), (14, 18642865), (35, 7457146), (43, 6069770), (70, 3728573), (86, 3034885), (215, 1213954), (301, 867110), (430, 606977), (602, 433555), (1505, 173422), (3010, 86711)]