168484420

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{71}}^1\times {\mathrm{9127}}^1$

素因数の和:9220

約数の個数: 48

約数和(自身を含む): 386443008

約数和(自身を除く): 217958588

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 71, 130, 142, 260, 284, 355, 710, 923, 1420, 1846, 3692, 4615, 9127, 9230, 18254, 18460, 36508, 45635, 91270, 118651, 182540, 237302, 474604, 593255, 648017, 1186510, 1296034, 2373020, 2592068, 3240085, 6480170, 8424221, 12960340, 16848442, 33696884, 42121105, 84242210, 168484420]

約数ペア:

[(1, 168484420), (2, 84242210), (4, 42121105), (5, 33696884), (10, 16848442), (13, 12960340), (20, 8424221), (26, 6480170), (52, 3240085), (65, 2592068), (71, 2373020), (130, 1296034), (142, 1186510), (260, 648017), (284, 593255), (355, 474604), (710, 237302), (923, 182540), (1420, 118651), (1846, 91270), (3692, 45635), (4615, 36508), (9127, 18460), (9230, 18254)]