218147940

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{1211933}}^1$

素因数の和:1211948

約数の個数: 36

約数和(自身を含む): 661715964

約数和(自身を除く): 443568024

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 90, 180, 1211933, 2423866, 3635799, 4847732, 6059665, 7271598, 10907397, 12119330, 14543196, 18178995, 21814794, 24238660, 36357990, 43629588, 54536985, 72715980, 109073970, 218147940]

約数ペア:

[(1, 218147940), (2, 109073970), (3, 72715980), (4, 54536985), (5, 43629588), (6, 36357990), (9, 24238660), (10, 21814794), (12, 18178995), (15, 14543196), (18, 12119330), (20, 10907397), (30, 7271598), (36, 6059665), (45, 4847732), (60, 3635799), (90, 2423866), (180, 1211933)]