128440425

素因数分解:

$3^1\times 5^2\times {\mathrm{47}}^1\times {\mathrm{83}}^1\times {\mathrm{439}}^1$

素因数の和:582

約数の個数: 48

約数和(自身を含む): 219985920

約数和(自身を除く): 91545495

約数列:

[1, 3, 5, 15, 25, 47, 75, 83, 141, 235, 249, 415, 439, 705, 1175, 1245, 1317, 2075, 2195, 3525, 3901, 6225, 6585, 10975, 11703, 19505, 20633, 32925, 36437, 58515, 61899, 97525, 103165, 109311, 182185, 292575, 309495, 515825, 546555, 910925, 1547475, 1712539, 2732775, 5137617, 8562695, 25688085, 42813475, 128440425]

約数ペア:

[(1, 128440425), (3, 42813475), (5, 25688085), (15, 8562695), (25, 5137617), (47, 2732775), (75, 1712539), (83, 1547475), (141, 910925), (235, 546555), (249, 515825), (415, 309495), (439, 292575), (705, 182185), (1175, 109311), (1245, 103165), (1317, 97525), (2075, 61899), (2195, 58515), (3525, 36437), (3901, 32925), (6225, 20633), (6585, 19505), (10975, 11703)]