156939859690

素因数分解:

$2^1\times 5^1\times {\mathrm{89}}^1\times {\mathrm{809}}^1\times {\mathrm{217969}}^1$

素因数の和:218874

約数の個数: 32

約数和(自身を含む): 286020234000

約数和(自身を除く): 129080374310

約数列:

[1, 2, 5, 10, 89, 178, 445, 809, 890, 1618, 4045, 8090, 72001, 144002, 217969, 360005, 435938, 720010, 1089845, 2179690, 19399241, 38798482, 96996205, 176336921, 193992410, 352673842, 881684605, 1763369210, 15693985969, 31387971938, 78469929845, 156939859690]

約数ペア:

[(1, 156939859690), (2, 78469929845), (5, 31387971938), (10, 15693985969), (89, 1763369210), (178, 881684605), (445, 352673842), (809, 193992410), (890, 176336921), (1618, 96996205), (4045, 38798482), (8090, 19399241), (72001, 2179690), (144002, 1089845), (217969, 720010), (360005, 435938)]