785171890

素因数分解:

$2^1\times 5^1\times {\mathrm{149}}^1\times {\mathrm{433}}^1\times {\mathrm{1217}}^1$

素因数の和:1806

約数の個数: 32

約数和(自身を含む): 1427252400

約数和(自身を除く): 642080510

約数列:

[1, 2, 5, 10, 149, 298, 433, 745, 866, 1217, 1490, 2165, 2434, 4330, 6085, 12170, 64517, 129034, 181333, 322585, 362666, 526961, 645170, 906665, 1053922, 1813330, 2634805, 5269610, 78517189, 157034378, 392585945, 785171890]

約数ペア:

[(1, 785171890), (2, 392585945), (5, 157034378), (10, 78517189), (149, 5269610), (298, 2634805), (433, 1813330), (745, 1053922), (866, 906665), (1217, 645170), (1490, 526961), (2165, 362666), (2434, 322585), (4330, 181333), (6085, 129034), (12170, 64517)]