2178775450

素因数分解:

$2^1\times 5^2\times {\mathrm{211}}^1\times {\mathrm{206519}}^1$

素因数の和:206742

約数の個数: 24

約数和(自身を含む): 4071748320

約数和(自身を除く): 1892972870

約数列:

[1, 2, 5, 10, 25, 50, 211, 422, 1055, 2110, 5275, 10550, 206519, 413038, 1032595, 2065190, 5162975, 10325950, 43575509, 87151018, 217877545, 435755090, 1089387725, 2178775450]

約数ペア:

[(1, 2178775450), (2, 1089387725), (5, 435755090), (10, 217877545), (25, 87151018), (50, 43575509), (211, 10325950), (422, 5162975), (1055, 2065190), (2110, 1032595), (5275, 413038), (10550, 206519)]