142294820

素因数分解:

$2^2\times 5^1\times {\mathrm{131}}^1\times {\mathrm{54311}}^1$

素因数の和:54451

約数の個数: 24

約数和(自身を含む): 301105728

約数和(自身を除く): 158810908

約数列:

[1, 2, 4, 5, 10, 20, 131, 262, 524, 655, 1310, 2620, 54311, 108622, 217244, 271555, 543110, 1086220, 7114741, 14229482, 28458964, 35573705, 71147410, 142294820]

約数ペア:

[(1, 142294820), (2, 71147410), (4, 35573705), (5, 28458964), (10, 14229482), (20, 7114741), (131, 1086220), (262, 543110), (524, 271555), (655, 217244), (1310, 108622), (2620, 54311)]