380055890

素因数分解:

$2^1\times 5^1\times {\mathrm{131}}^1\times {\mathrm{290119}}^1$

素因数の和:290257

約数の個数: 16

約数和(自身を含む): 689325120

約数和(自身を除く): 309269230

約数列:

[1, 2, 5, 10, 131, 262, 655, 1310, 290119, 580238, 1450595, 2901190, 38005589, 76011178, 190027945, 380055890]

約数ペア:

[(1, 380055890), (2, 190027945), (5, 76011178), (10, 38005589), (131, 2901190), (262, 1450595), (655, 580238), (1310, 290119)]