1990316810

素因数分解:

$2^1\times 5^1\times {\mathrm{97}}^1\times {\mathrm{373}}^1\times {\mathrm{5501}}^1$

素因数の和:5978

約数の個数: 32

約数和(自身を含む): 3629867472

約数和(自身を除く): 1639550662

約数列:

[1, 2, 5, 10, 97, 194, 373, 485, 746, 970, 1865, 3730, 5501, 11002, 27505, 36181, 55010, 72362, 180905, 361810, 533597, 1067194, 2051873, 2667985, 4103746, 5335970, 10259365, 20518730, 199031681, 398063362, 995158405, 1990316810]

約数ペア:

[(1, 1990316810), (2, 995158405), (5, 398063362), (10, 199031681), (97, 20518730), (194, 10259365), (373, 5335970), (485, 4103746), (746, 2667985), (970, 2051873), (1865, 1067194), (3730, 533597), (5501, 361810), (11002, 180905), (27505, 72362), (36181, 55010)]