261714310

素因数分解:

$2^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{397}}^1\times {\mathrm{461}}^1$

素因数の和:889

約数の個数: 64

約数和(自身を含む): 556041024

約数和(自身を除く): 294326714

約数列:

[1, 2, 5, 10, 11, 13, 22, 26, 55, 65, 110, 130, 143, 286, 397, 461, 715, 794, 922, 1430, 1985, 2305, 3970, 4367, 4610, 5071, 5161, 5993, 8734, 10142, 10322, 11986, 21835, 25355, 25805, 29965, 43670, 50710, 51610, 56771, 59930, 65923, 113542, 131846, 183017, 283855, 329615, 366034, 567710, 659230, 915085, 1830170, 2013187, 2379221, 4026374, 4758442, 10065935, 11896105, 20131870, 23792210, 26171431, 52342862, 130857155, 261714310]

約数ペア:

[(1, 261714310), (2, 130857155), (5, 52342862), (10, 26171431), (11, 23792210), (13, 20131870), (22, 11896105), (26, 10065935), (55, 4758442), (65, 4026374), (110, 2379221), (130, 2013187), (143, 1830170), (286, 915085), (397, 659230), (461, 567710), (715, 366034), (794, 329615), (922, 283855), (1430, 183017), (1985, 131846), (2305, 113542), (3970, 65923), (4367, 59930), (4610, 56771), (5071, 51610), (5161, 50710), (5993, 43670), (8734, 29965), (10142, 25805), (10322, 25355), (11986, 21835)]