1900172380

素因数分解:

$2^2\times 5^1\times {\mathrm{349}}^1\times {\mathrm{272231}}^1$

素因数の和:272589

約数の個数: 24

約数和(自身を含む): 4001810400

約数和(自身を除く): 2101638020

約数列:

[1, 2, 4, 5, 10, 20, 349, 698, 1396, 1745, 3490, 6980, 272231, 544462, 1088924, 1361155, 2722310, 5444620, 95008619, 190017238, 380034476, 475043095, 950086190, 1900172380]

約数ペア:

[(1, 1900172380), (2, 950086190), (4, 475043095), (5, 380034476), (10, 190017238), (20, 95008619), (349, 5444620), (698, 2722310), (1396, 1361155), (1745, 1088924), (3490, 544462), (6980, 272231)]